initial brax3 device makefiles

* boots and works fine

Signed-off-by: erascape <erascape@proton.me>

ramdisk-recovery-overlay/init.recovery.mt6835.rc

@@ -0,0 +1,23 @@
+import /init.recovery.project.rc
+
+on init
+    setprop sys.usb.configfs 1
+    setprop sys.usb.ffs.aio_compat 0
+    # TODO: touchscreen doesn't work even though driver built-in, needs firmware?
+
+on fs && property:ro.debuggable=0
+    # distinguish USB shoulde connect or not, i.e. CDP vs SDP
+    write /sys/class/udc/musb-hdrc/device/cmode 2
+    # set charging free due to it wait for USB activation
+    start adbd
+
+# TODO: add symlinks for preloader etc?
+#on post-fs
+
+on post-fs-data
+   start setup_fake_cache
+   wait_for_prop halium.datamount.done 1
+
+service setup_fake_cache /bin/sh /setup_fake_cache.sh
+   disabled
+   oneshot