mx7_common: use Kconfig for ARMv7 non-secure mode

Use existing Kconfig symbols to let the user configure whether to
build a U-Boot with non-secure mode support or not. This also allows
to enable virtualization extension easily.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>

arch/arm/cpu/armv7/mx7/Kconfig

@@ -3,6 +3,8 @@ if ARCH_MX7
 config MX7
 	bool
 	select ROM_UNIFIED_SECTIONS
+	select CPU_V7_HAS_VIRT
+	select CPU_V7_HAS_NONSEC
 	default y
 
 config MX7D

configs/mx7dsabresd_defconfig

@@ -1,6 +1,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_MX7=y
 CONFIG_TARGET_MX7DSABRESD=y
+# CONFIG_ARMV7_VIRT is not set
 CONFIG_IMX_RDC=y
 CONFIG_IMX_BOOTAUX=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx7dsabresd/imximage.cfg"

configs/warp7_defconfig

@@ -1,6 +1,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_MX7=y
 CONFIG_TARGET_WARP7=y
+# CONFIG_ARMV7_VIRT is not set
 CONFIG_IMX_RDC=y
 CONFIG_IMX_BOOTAUX=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/warp7/imximage.cfg"

include/configs/mx7_common.h

@@ -71,15 +71,8 @@
 #define CONFIG_CMD_FUSE
 #define CONFIG_MXC_OCOTP
 
-/*
- * Default boot linux kernel in no secure mode.
- * If want to boot kernel in secure mode, please define CONFIG_MX7_SEC
- */
-#ifndef CONFIG_MX7_SEC
-#define CONFIG_ARMV7_NONSEC
 #define CONFIG_ARMV7_PSCI
 #define CONFIG_ARMV7_PSCI_NR_CPUS	2
 #define CONFIG_ARMV7_SECURE_BASE	0x00900000
-#endif
 
 #endif