Convert CONFIG_FLASH_SPANSION_S29WS_N et al to Kconfig

This converts the following to Kconfig:

   CONFIG_FLASH_SPANSION_S29WS_N
   CONFIG_FLASH_VERIFY
   CONFIG_FSL_FM_10GEC_REGULAR_NOTATION
   CONFIG_FSL_ISBC_KEY_EXT
   CONFIG_FSL_TRUST_ARCH_v1
   CONFIG_FSL_SDHC_V2_3
   CONFIG_MAX_DSP_CPUS
   CONFIG_MIU_2BIT_INTERLEAVED
   CONFIG_SERIAL_BOOT
   CONFIG_SPI_BOOTING
   CONFIG_X86EMU_RAW_IO

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/sysam/stmark2/Kconfig b/board/sysam/stmark2/Kconfig
index 49d0274..b259505 100644
--- a/board/sysam/stmark2/Kconfig
+++ b/board/sysam/stmark2/Kconfig
@@ -6,6 +6,10 @@
 config EXTRA_CLOCK
 	def_bool y
 
+config SERIAL_BOOT
+	def_bool y
+	depends on CF_SBF
+
 config SYS_INPUT_CLKSRC
 	hex
 	default 30000000