disk: convert CONFIG_MAC_PARTITION to Kconfig

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay73@gmail.com>
diff --git a/configs/sh7785lcr_defconfig b/configs/sh7785lcr_defconfig
index c9c9b08..02c0bd2 100644
--- a/configs/sh7785lcr_defconfig
+++ b/configs/sh7785lcr_defconfig
@@ -22,6 +22,7 @@
 # CONFIG_CMD_MISC is not set
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_MAC_PARTITION=y
 CONFIG_PCI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y