Add charging mode detection for kylevess (#1526)

As documented here:
https://wiki.postmarketos.org/wiki/Samsung_Galaxy_Trend_lite_(s7390g)

This might be set on other devices as well. This patch also bumps
postmarketos-mkinitfs one minor version.

aports/main/postmarketos-mkinitfs/APKBUILD

@@ -1,5 +1,5 @@
 pkgname=postmarketos-mkinitfs
-pkgver=0.6.4
+pkgver=0.6.5
 pkgrel=0
 pkgdesc="Tool to generate initramfs images for postmarketOS"
 url="https://github.com/postmarketOS"
@@ -24,5 +24,5 @@ package() {
 	mkdir -p "$pkgdir/etc/postmarketos-mkinitfs/hooks/"
 }
 sha512sums="d5abfe9a1298069e6722555c6e16223b09b36af65d879feb64d540aa6cbc009a3aa7f00528bcf656370ec37cc64f925c72ebb77813961cd6ebf22107b57ea029  init.sh.in
-3e0aee0f73db0087c1efc68b8e2855705b35bde8a55491b6b5ca8118f91fd15fd07a69d6dacdaf9dc372761f1ee9d330d5c4d51a797dcb5ae4ee1d6a893bff63  init_functions.sh
+1e39c077932ac3e1f068c1c438b22339b6d705f1358897fe738e64e2280e36346b6a65f0e50996e9a99b182c617d96995adc9263643afa5f46b4b93857fe73d6  init_functions.sh
 631007eb45fb2ec79532f746cda9d2f98e3d0853c0b0bdaed82e8f931fe3ddf9127274f200726fab8d3e41dbe0dfbab2c3ad359584218b04c2b07ef54f8b332b  mkinitfs.sh"

aports/main/postmarketos-mkinitfs/init_functions.sh

@@ -292,6 +292,7 @@ start_charging_mode(){
 		lpm_boot=1
 		androidboot.huawei_type=oem_rtc
 		startup=0x00010004
+		lpcharge=1
 	"
 	# shellcheck disable=SC2086
 	grep -Eq "$(echo $chargingmodes | tr ' ' '|')" /proc/cmdline || return