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/kmlion1_defconfig b/configs/kmlion1_defconfig
index 49cc735..2099c02 100644
--- a/configs/kmlion1_defconfig
+++ b/configs/kmlion1_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_UBI=y
+CONFIG_DOS_PARTITION=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_STMICRO=y