ARM: uniphier: enable CONFIG_CMD_GPT

Enable CONFIG_CMD_GPT, keeping CONFIG_SPL_EFI_PARTITION because the
SPL for UniPhier platform does not recognize any partitions.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/configs/uniphier_pxs2_ld6b_defconfig b/configs/uniphier_pxs2_ld6b_defconfig
index 303098f..00db8b0 100644
--- a/configs/uniphier_pxs2_ld6b_defconfig
+++ b/configs/uniphier_pxs2_ld6b_defconfig
@@ -15,6 +15,7 @@
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_XIMG is not set
 # CONFIG_CMD_ENV_EXISTS is not set
+CONFIG_CMD_GPT=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
 CONFIG_CMD_I2C=y
@@ -28,6 +29,7 @@
 # CONFIG_CMD_MISC is not set
 CONFIG_CMD_FAT=y
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_GPIO_UNIPHIER=y
 CONFIG_MISC=y