fs: Convert CONFIG_CMD_CRAMFS to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_CRAMFS

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: imply CMD_CRAMFS for keymile]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/UCP1020_SPIFLASH_defconfig b/configs/UCP1020_SPIFLASH_defconfig
index 77ae65c..4e5e0c1 100644
--- a/configs/UCP1020_SPIFLASH_defconfig
+++ b/configs/UCP1020_SPIFLASH_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+CONFIG_CMD_CRAMFS=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MTD_NOR_FLASH=y
diff --git a/configs/UCP1020_defconfig b/configs/UCP1020_defconfig
index 085c1dd..ae7cb25 100644
--- a/configs/UCP1020_defconfig
+++ b/configs/UCP1020_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+CONFIG_CMD_CRAMFS=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
 CONFIG_MTD_NOR_FLASH=y
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 8d51c49..d6966d3 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -53,6 +53,7 @@
 CONFIG_CMD_TPM=y
 CONFIG_CMD_TPM_TEST=y
 CONFIG_CMD_CBFS=y
+CONFIG_CMD_CRAMFS=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_MAC_PARTITION=y
 CONFIG_AMIGA_PARTITION=y
diff --git a/configs/sandbox_noblk_defconfig b/configs/sandbox_noblk_defconfig
index 8669c6c..06ca3c6 100644
--- a/configs/sandbox_noblk_defconfig
+++ b/configs/sandbox_noblk_defconfig
@@ -56,6 +56,7 @@
 CONFIG_CMD_TPM=y
 CONFIG_CMD_TPM_TEST=y
 CONFIG_CMD_CBFS=y
+CONFIG_CMD_CRAMFS=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index f22ed39..a8ddb99 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -60,6 +60,7 @@
 CONFIG_CMD_TPM=y
 CONFIG_CMD_TPM_TEST=y
 CONFIG_CMD_CBFS=y
+CONFIG_CMD_CRAMFS=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_MAC_PARTITION=y
 CONFIG_AMIGA_PARTITION=y