Convert CONFIG_CMD_SF_TEST to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_SF_TEST

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

README

@@ -2495,12 +2495,6 @@ The following options need to be configured:
 		CONFIG_SF_DEFAULT_MODE 		(see include/spi.h)
 		CONFIG_SF_DEFAULT_SPEED		in Hz
 
-		CONFIG_CMD_SF_TEST
-
-		Define this option to include a destructive SPI flash
-		test ('sf test').
-
-- SystemACE Support:
 		CONFIG_SYSTEMACE
 
 		Adding this option adds support for Xilinx SystemACE

arch/Kconfig

@@ -78,6 +78,7 @@ config SANDBOX
 	imply LZMA
 	imply SCSI
 	imply CMD_SATA
+	imply CMD_SF_TEST
 
 config SH
 	bool "SuperH architecture"
@@ -111,6 +112,7 @@ config X86
 	imply CMD_GETTIME
 	imply CMD_IO
 	imply CMD_IRQ
+	imply CMD_SF_TEST
 
 config XTENSA
 	bool "Xtensa architecture"

cmd/Kconfig

@@ -797,6 +797,17 @@ config CMD_SF
 	help
 	  SPI Flash support
 
+config CMD_SF_TEST
+	bool "sf test - Allow testing of SPI flash"
+	help
+	  Provides a way to test that SPI flash is working correctly. The
+	  test is destructive, in that an area of SPI flash must be provided
+	  for the test to use. Performance information is also provided,
+	  measuring the performance of reading, writing and erasing in
+	  Mbps (Million Bits Per Second). This value should approximately
+	  equal the SPI bus speed for a single-bit-wide SPI bus, assuming
+	  everything is working properly.
+
 config CMD_SPI
 	bool "sspi"
 	help

configs/chromebit_mickey_defconfig

@@ -20,6 +20,7 @@ CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_SF_TEST=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y

configs/chromebook_jerry_defconfig

@@ -22,6 +22,7 @@ CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_SF_TEST=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y

configs/chromebook_minnie_defconfig

@@ -21,6 +21,7 @@ CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
+CONFIG_CMD_SF_TEST=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y

configs/efi-x86_defconfig

@@ -11,6 +11,7 @@ CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_PART=y
 CONFIG_CMD_SF=y
+# CONFIG_CMD_SF_TEST is not set
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_GPIO=y

configs/sandbox_defconfig

@@ -41,6 +41,7 @@ CONFIG_CMD_USB=y
 CONFIG_CMD_REMOTEPROC=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_PCI=y
+CONFIG_CMD_READ=y
 CONFIG_CMD_TFTPPUT=y
 CONFIG_CMD_TFTPSRV=y
 CONFIG_CMD_RARP=y
@@ -193,6 +194,3 @@ CONFIG_UNIT_TEST=y
 CONFIG_UT_TIME=y
 CONFIG_UT_DM=y
 CONFIG_UT_ENV=y
-CONFIG_CMD_MTDPARTS=y
-CONFIG_CMD_MTDPARTS_SPREAD=y
-CONFIG_CMD_READ=y

include/configs/efi-x86.h

@@ -9,8 +9,6 @@
 
 #include <configs/x86-common.h>
 
-#undef CONFIG_CMD_SF_TEST
-
 #undef CONFIG_TPM_TIS_BASE_ADDRESS
 
 #undef CONFIG_SCSI_AHCI

include/configs/sandbox.h

@@ -52,7 +52,6 @@
 #define CONFIG_ENV_SIZE		8192
 
 /* SPI - enable all SPI flash types for testing purposes */
-#define CONFIG_CMD_SF_TEST
 
 #define CONFIG_I2C_EDID
 

include/configs/veyron.h

@@ -17,8 +17,6 @@
 #define CONFIG_SPL_SPI_LOAD
 #define CONFIG_SPI_FLASH_GIGADEVICE
 
-#define CONFIG_CMD_SF_TEST
-
 #define CONFIG_KEYBOARD
 
 #endif

include/configs/x86-common.h

@@ -107,7 +107,6 @@
 /*-----------------------------------------------------------------------
  * FLASH configuration
  */
-#define CONFIG_CMD_SF_TEST
 #define CONFIG_SPI
 
 /*-----------------------------------------------------------------------

scripts/config_whitelist.txt

@@ -293,7 +293,6 @@ CONFIG_CM922T_XA10
 CONFIG_CMDLINE_EDITING
 CONFIG_CMDLINE_PS_SUPPORT
 CONFIG_CMDLINE_TAG
-CONFIG_CMD_SF_TEST
 CONFIG_CMD_SH_ZIMAGEBOOT
 CONFIG_CMD_SPL
 CONFIG_CMD_SPL_NAND_OFS