Convert CONFIG_ENV_IS_IN_SPI_FLASH to Kconfig

This converts the following to Kconfig:
   CONFIG_ENV_IS_IN_SPI_FLASH

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/crownbay_defconfig b/configs/crownbay_defconfig
index ac50681..dde07f7 100644
--- a/configs/crownbay_defconfig
+++ b/configs/crownbay_defconfig
@@ -8,6 +8,7 @@
 CONFIG_GENERATE_PIRQ_TABLE=y
 CONFIG_GENERATE_MP_TABLE=y
 CONFIG_FIT=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_CPU=y
@@ -35,7 +36,6 @@
 CONFIG_OF_CONTROL=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
-CONFIG_SCSI=y
 CONFIG_CPU=y
 CONFIG_MMC=y
 CONFIG_MMC_PCI=y
@@ -51,6 +51,7 @@
 CONFIG_PCH_GBE=y
 CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
+CONFIG_SCSI=y
 CONFIG_SYS_NS16550=y
 CONFIG_ICH_SPI=y
 CONFIG_TIMER=y