x86: Clean up ivybridge/chrome Kconfig options

There are some options which are never used, and also some options
which are selected by others but have never been a Kconfg option.
Clean these up.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>

arch/x86/cpu/ivybridge/Kconfig

@@ -8,18 +8,9 @@
 config NORTHBRIDGE_INTEL_IVYBRIDGE
 	bool
 	select CACHE_MRC_BIN
-	select CPU_INTEL_MODEL_306AX
 
 if NORTHBRIDGE_INTEL_IVYBRIDGE
 
-config VGA_BIOS_ID
-	string
-	default "8086,0166"
-
-config EXTERNAL_MRC_BLOB
-	bool
-	default n
-
 config CACHE_MRC_SIZE_KB
 	int
 	default 512
@@ -50,24 +41,9 @@ config DCACHE_RAM_MRC_VAR_SIZE
 	  memory reference code. This should be set to 16KB (0x4000 hex)
 	  so that MRC has enough space to run.
 
-config MRC_FILE
-	string "Intel System Agent path and filename"
-	depends on HAVE_MRC
-	default "systemagent-ivybridge.bin"
-	help
-	  The path and filename of the file to use as System Agent
-	  binary.
-
 config CPU_SPECIFIC_OPTIONS
 	def_bool y
 	select SMM_TSEG
-	select ARCH_BOOTBLOCK_X86_32
-	select ARCH_ROMSTAGE_X86_32
-	select ARCH_RAMSTAGE_X86_32
-	select SSE2
-	select UDELAY_LAPIC
-	select CPU_MICROCODE_IN_CBFS
-	select TSC_SYNC_MFENCE
 	select HAVE_INTEL_ME
 	select X86_RAMTEST
 
@@ -99,12 +75,6 @@ config CPU_INTEL_SOCKET_RPGA989
 
 if CPU_INTEL_SOCKET_RPGA989
 
-config SOCKET_SPECIFIC_OPTIONS # dummy
-	def_bool y
-	select MMX
-	select SSE
-	select CACHE_AS_RAM
-
 config CACHE_MRC_BIN
 	bool
 	default n

board/google/chromebook_link/Kconfig

@@ -20,7 +20,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select X86_RESET_VECTOR
 	select CPU_INTEL_SOCKET_RPGA989
 	select NORTHBRIDGE_INTEL_IVYBRIDGE
-	select SOUTHBRIDGE_INTEL_C216
 	select HAVE_ACPI_RESUME
 	select BOARD_ROMSIZE_KB_8192
 

board/google/chromebox_panther/Kconfig

@@ -21,7 +21,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select X86_RESET_VECTOR
 	select CPU_INTEL_SOCKET_RPGA989
 	select NORTHBRIDGE_INTEL_IVYBRIDGE
-	select SOUTHBRIDGE_INTEL_C216
 	select HAVE_ACPI_RESUME
 	select BOARD_ROMSIZE_KB_8192
 

include/configs/x86-chromebook.h

@@ -14,7 +14,6 @@
 #define CONFIG_MISC_INIT_R
 
 #define CONFIG_X86_MRC_ADDR			0xfffa0000
-#define CONFIG_CACHE_MRC_SIZE_KB		512
 
 #define CONFIG_SCSI_DEV_LIST	\
 	{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_NM10_AHCI}, \