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/Sinlinx_SinA33_defconfig b/configs/Sinlinx_SinA33_defconfig
index 26b119a..c9b2131 100644
--- a/configs/Sinlinx_SinA33_defconfig
+++ b/configs/Sinlinx_SinA33_defconfig
@@ -17,6 +17,7 @@
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_DFU=y
 # CONFIG_CMD_FPGA is not set
+# CONFIG_SPL_DOS_PARTITION is not set
 CONFIG_DFU_RAM=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_GADGET=y