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/inet86dz_defconfig b/configs/inet86dz_defconfig
index 4ed94dc..0082a57 100644
--- a/configs/inet86dz_defconfig
+++ b/configs/inet86dz_defconfig
@@ -20,5 +20,6 @@
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
+# CONFIG_SPL_DOS_PARTITION is not set
 CONFIG_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y