mediatek: mt7623: build SD card without all filesystems

Allow building SD card images without having both initramfs and squashfs
present on the card, just like it has already been done for the mt7622
and filogic subtargets.

Signed-off-by: Daniel Golle <[email protected]>

target/linux/mediatek/image/mt7623.mk

@@ -104,8 +104,12 @@ define Device/bananapi_bpi-r2
 			    pad-to 2k | append-preloader $$(UBOOT_TARGET) |\
 			    pad-to $$(UBOOT_OFFSET) | append-bootloader $$(UBOOT_TARGET) |\
 			    pad-to 4092k | mt7623-mbr emmc |\
+			    $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),\
 			    pad-to 4M | append-image-stage initramfs-recovery.itb |\
+			    ) \
+			    $(if $(CONFIG_TARGET_ROOTFS_SQUASHFS),\
 			    pad-to 48M | append-image squashfs-sysupgrade.itb |\
+			    ) \
 			    gzip
   ARTIFACTS := u-boot.bin preloader.bin sdcard.img.gz
   SUPPORTED_DEVICES := bananapi,bpi-r2
@@ -135,8 +139,12 @@ define Device/unielec_u7623-02
 # but OpenWrt expects 'SDMM' magic for sysupgrade.
   ARTIFACT/emmc.img.gz := mt7623-mbr sdmmc |\
 			    pad-to $$(UBOOT_OFFSET) | append-bootloader $$(UBOOT_TARGET) |\
+			    $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),\
 			    pad-to 4M | append-image-stage initramfs-recovery.itb |\
+			    ) \
+			    $(if $(CONFIG_TARGET_ROOTFS_SQUASHFS),\
 			    pad-to 48M | append-image squashfs-sysupgrade.itb |\
+			    ) \
 			    gzip | append-metadata
   ARTIFACT/scatter.txt := scatterfile emmc.img.gz
   ARTIFACTS := u-boot.bin scatter.txt emmc.img.gz