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/inet86dz_defconfig b/configs/inet86dz_defconfig
index 1d13c2d..c7753b3 100644
--- a/configs/inet86dz_defconfig
+++ b/configs/inet86dz_defconfig
@@ -22,5 +22,6 @@
 # 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_AXP_DLDO1_VOLT=3300
 CONFIG_USB_MUSB_HOST=y