xiaomi-scorpio: use absolute paths for GPU firmware files (MR 3837)

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

device/community/device-xiaomi-scorpio/30-gpu-firmware.files

-./lib/firmware/qcom/a530_pfp.fw
-./lib/firmware/qcom/a530_pm4.fw
-./lib/firmware/qcom/a530v3_gpmu.fw2
-./lib/firmware/qcom/msm8996/scorpio/a530_zap.mbn
+/lib/firmware/qcom/a530_pfp.fw
+/lib/firmware/qcom/a530_pm4.fw
+/lib/firmware/qcom/a530v3_gpmu.fw2
+/lib/firmware/qcom/msm8996/scorpio/a530_zap.mbn

device/community/device-xiaomi-scorpio/APKBUILD

@@ -4,7 +4,7 @@
 pkgname=device-xiaomi-scorpio
 pkgdesc="Xiaomi Mi Note 2"
 pkgver=3
-pkgrel=4
+pkgrel=5
 url="https://postmarketos.org"
 license="MIT"
 arch="aarch64"
@@ -66,7 +66,7 @@ phosh() {
 
 
 sha512sums="
-a1ca623314e80045ea8d64be06d12ffc091a5585ca40f9713039883e20889ba47f4a3f9c3bd92bd3b616bb6bb621e87409b6b6fa43bfe566a2a46468609c16f4  30-gpu-firmware.files
+b033e7357c4ef91ba84f6f715e96e67637c2631d4746402f8a92333ba8974bbee7736a7bc081b0f84a84dc5b555a7db4dbb4f14f628bbfc42cbfa501c4f0ed36  30-gpu-firmware.files
 52ba13a75f14c8d75a719f463a870df34eb59765bd43f29a49fb0dff201410fa388a04f73ec8e6e86d634547bf6ef0164466333b24da36d882b0d7254bfbe213  deviceinfo
 ecd40b8f9bc17f383c52aa96ad23ceec41be75a4500d5e7a67f2f59875bf9f72eb35686a0b6e4949b45fd589c5da409d1212c52172fef94de2d1655b28c339b4  gpu-nobin.sh
 e9ee9c1404b41ba15eafff3f728ff6e0e78dc17e9a88483fca92db1aa3efe0e4d5bf26142e533c4ff12b1bf8ce04ccabb7ca0f93aaea586d5b30910282aad237  pointercal