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/cam5200_niosflash_defconfig b/configs/cam5200_niosflash_defconfig
index 602988e..f0a6909 100644
--- a/configs/cam5200_niosflash_defconfig
+++ b/configs/cam5200_niosflash_defconfig
@@ -14,5 +14,6 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_SNTP=y
+CONFIG_MAC_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y