soc-qcom-{msm8226/msm8974}: initial package

Add initial SoC pacakge for common configs of msm8226/msm8974 devices.

device/testing/device-asus-sparrow/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=device-asus-sparrow
 pkgdesc="ASUS ZenWatch 2"
 pkgver=2
-pkgrel=0
+pkgrel=1
 url="https://postmarketos.org"
 license="MIT"
 arch="armv7"
@@ -10,6 +10,7 @@ options="!check !archcheck"
 depends="
 	mkbootimg
 	postmarketos-base
+	soc-qcom-msm8226
 "
 makedepends="devicepkg-dev"
 subpackages="