disk: convert CONFIG_EFI_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/Empire_electronix_d709_defconfig b/configs/Empire_electronix_d709_defconfig
index 0566a93..93aeaf4 100644
--- a/configs/Empire_electronix_d709_defconfig
+++ b/configs/Empire_electronix_d709_defconfig
@@ -23,4 +23,5 @@
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
 # CONFIG_SPL_ISO_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y