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/hrcon_defconfig b/configs/hrcon_defconfig
index 1d59501..9787864 100644
--- a/configs/hrcon_defconfig
+++ b/configs/hrcon_defconfig
@@ -19,5 +19,6 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
+CONFIG_DOS_PARTITION=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y