[][openwrt-24][common][bsp][Disable building initramfs for bpi boards]

[Description]
Update bpi autobuild config to disable building initramfs
if the image size is too large, initramfs will fail to be built

[Release-log]
N/A

Change-Id: I4d0219fc07e95de0175993b41ede141ae6fa72b2
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/9686332
diff --git a/autobuild/unified/filogic/mac80211/bpi/master/defconfig b/autobuild/unified/filogic/mac80211/bpi/master/defconfig
index dee4037..bd38319 100644
--- a/autobuild/unified/filogic/mac80211/bpi/master/defconfig
+++ b/autobuild/unified/filogic/mac80211/bpi/master/defconfig
@@ -6,6 +6,7 @@
 # CONFIG_TARGET_DEVICE_mediatek_filogic_DEVICE_mediatek_mt7986a-rfb-nand is not set
 # CONFIG_TARGET_DEVICE_mediatek_filogic_DEVICE_mediatek_mt7988a-rfb is not set
 # CONFIG_TARGET_DEVICE_mediatek_filogic_DEVICE_mediatek_mt7986b-rfb is not set
+# CONFIG_TARGET_ROOTFS_INITRAMFS is not set
 CONFIG_KERNEL_PROFILING=y
 CONFIG_KERNEL_KPROBES=y
 CONFIG_PACKAGE_trusted-firmware-a-mt7981-ram-ddr3=y