device-xiaomi-scorpio: Add RMTFS to runlevel default (MR 2283)

Having RMTFS at runlevel boot makes it start the modem too fast and causes
crashes. Move it to runlevel default with a post-install.

[ci:skip-build] already built successfully in CI

device/community/device-xiaomi-scorpio/APKBUILD

@@ -4,7 +4,7 @@
 pkgname=device-xiaomi-scorpio
 pkgdesc="Xiaomi Mi Note 2"
 pkgver=2
-pkgrel=0
+pkgrel=1
 url="https://postmarketos.org"
 license="MIT"
 arch="aarch64"
@@ -44,6 +44,7 @@ nonfree_firmware() {
 		linux-firmware-qca
 		soc-qcom-msm8996-nonfree-firmware
 		"
+	install="$subpkgname.post-install"
 	mkdir "$subpkgdir"
 }
 

device/community/device-xiaomi-scorpio/device-xiaomi-scorpio-nonfree-firmware.post-install

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# Delay modem powerup to avoid crashing
+rc-update del rmtfs boot
+rc-update add rmtfs default