device-huawei-y530: Modernize APKBUILD

Modernize the APKBUILD of the Huawei Ascend Y530

Tested with weston and everything still works, other UI have problems starting Xorg, I didn't investigated the reason.

also added the missing devicepkg reference to the Samsung Galaxy S5 APKBUILD

Ref: #1577 (closed)

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[x] Merge on GitHub (see https://postmarketos.org/merge)