hiphi: recovery/root: Load ADSP firmware

* Required for USB to work properly

Co-authored-by: Andrew Hexen <SyberHexen@gmail.com>
Co-authored-by: Captain Throwback <captainthrowback@hotmail.com>
Co-authored-by: nebrassy <nebras30@gmail.com>
Signed-off-by: 7Soldier <reg.fm4@gmail.com>

recovery/root/init.recovery.qcom.rc

@@ -32,6 +32,10 @@ on fs
     wait /dev/block/platform/soc/${ro.boot.bootdevice}
     symlink /dev/block/platform/soc/${ro.boot.bootdevice} /dev/block/bootdevice
 
+    # Load ADSP firmware for PMIC
+    start runatboot
+    wait /sys/class/power_supply/battery
+
 on post-fs
     start boot-hal-1-2
 
@@ -44,3 +48,10 @@ service set_permissive /system/bin/set_permissive.sh
     disabled
     oneshot
     seclabel u:r:recovery:s0
+
+service runatboot /system/bin/runatboot.sh
+    user root
+    group root
+    disabled
+    oneshot
+    seclabel u:r:recovery:s0

recovery/root/system/bin/runatboot.sh

@@ -0,0 +1,7 @@
+#!/system/bin/sh
+mkdir /firmware
+SLOT=$(getprop ro.boot.slot_suffix)
+mount /dev/block/bootdevice/by-name/modem$SLOT /firmware -O ro
+echo "1" > /proc/sys/kernel/firmware_config/force_sysfs_fallback
+echo "1" > /sys/kernel/boot_adsp/boot
+exit 0