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/wtk_defconfig b/configs/wtk_defconfig
index fa2eea0..b05e40b 100644
--- a/configs/wtk_defconfig
+++ b/configs/wtk_defconfig
@@ -12,6 +12,7 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_SNTP=y
 CONFIG_CMD_EXT2=y
+CONFIG_MAC_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_LCD=y
 CONFIG_OF_LIBFDT=y