device-oneplus-bacon: cleanups for device package (MR 2508)

- mesa-dri-freedreno => mesa-dri-gallium

device/testing/device-oneplus-bacon/APKBUILD

 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-oneplus-bacon
 pkgver=1
-pkgrel=25
+pkgrel=26
 pkgdesc="OnePlus One"
 url="https://postmarketos.org"
 arch="armv7"
@@ -35,7 +35,7 @@ kernel_downstream() {
 
 kernel_mainline() {
 	pkgdesc="Close to mainline kernel"
-	depends="linux-postmarketos-qcom-msm8974 mesa-dri-freedreno"
+	depends="linux-postmarketos-qcom-msm8974 mesa-dri-gallium"
 	devicepkg_subpackage_kernel $startdir $pkgname $subpkgname
 }