Fix usb networking on the Sony Amami (#357)

aports/main/postmarketos-mkinitfs/APKBUILD

@@ -1,6 +1,6 @@
 pkgname=postmarketos-mkinitfs
 pkgver=0.3.2
-pkgrel=2
+pkgrel=3
 pkgdesc="Tool to generate initramfs images for postmarketOS"
 url="https://github.com/postmarketOS"
 # multipath-tools: kpartx
@@ -27,4 +27,4 @@ package() {
 }
 sha512sums="95e49eb5e7891d319543165290fb7279733e696db8c768d864d87ef36a20b04e1c4e8a1702a2927e7492ea2e9f3d4fdd83d9ea55811969689b9c2483fb3b44c4  init.sh.in
 64aa05363f79a0cf2319740753b8852f5252a5b35b23fecccb131cd77d306cd4c7fe287b2d58cea456f669ff99e20f53cf609703530abf6eda7c958a9e0811d2  init_functions.sh
-8ea2569d75a18f870098d67ab61b58faf239575d03b19c9afc86a868a53d8de6a536b5d63f61a630331bd02dac2d0412824ce388817646baea21b26c7fdfbddb  mkinitfs.sh"
+8b61ecc989f32ed49b34463d457e8506b267af9af5a9f42639354506c27e858517a9e954a62c808bbd114fd31c9628e263bb5ed4d7b754c65d4aea33675ca0ad  mkinitfs.sh"

aports/main/postmarketos-mkinitfs/mkinitfs.sh

@@ -34,7 +34,7 @@ parse_commandline()
 create_folders()
 {
 	for dir in /bin /sbin /usr/bin /usr/sbin /proc /sys /dev /tmp /lib \
-		/boot /sysroot; do
+		/boot /sysroot /etc; do
 		mkdir -p "$tmpdir$dir"
 	done
 }