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/work_92105_defconfig b/configs/work_92105_defconfig
index 928c038..3cf4e65 100644
--- a/configs/work_92105_defconfig
+++ b/configs/work_92105_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+CONFIG_DOS_PARTITION=y
 CONFIG_DM=y
 CONFIG_SPL_DM=y
 CONFIG_DM_GPIO=y