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/arches_defconfig b/configs/arches_defconfig
index 95a1b37..f5da7b3 100644
--- a/configs/arches_defconfig
+++ b/configs/arches_defconfig
@@ -18,5 +18,6 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_CACHE=y
+CONFIG_MAC_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_SYS_NS16550=y