disk: convert CONFIG_DOS_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 f5da7b3..c35af0f 100644
--- a/configs/arches_defconfig
+++ b/configs/arches_defconfig
@@ -19,5 +19,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_CACHE=y
 CONFIG_MAC_PARTITION=y
+CONFIG_DOS_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_SYS_NS16550=y