lg vee7e, change to gcc6 and armv7

here is the promised change to armv7 and also a change to gcc6, since that made it boot again (i think when i made this port originally we were using gcc8). now it is booting again, but weston doesn't want to launch, so i need to look into that.

device/testing/device-lg-vee7e/APKBUILD

 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-lg-vee7e
 pkgdesc="LG Optimus L7 II"
-pkgver=0.1
-pkgrel=5
+pkgver=0.2
+pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
-arch="armhf"
+arch="armv7"
 options="!check !archcheck"
 depends="postmarketos-base linux-lg-vee7e mkbootimg mesa-dri-swrast"
 makedepends="devicepkg-dev"
@@ -21,5 +21,5 @@ package() {
 
 
 sha512sums="
-86f72e219f8068038b571612420415e07f83f1ce4b780ad0324b484a3add216c9fdb36919dd080576c3229d15447dded42ceec85530633e2a735ef6be1ac6cb8  deviceinfo
+27bf4587514aaea81ba9815226cd56ff2e1b311d97f85871ea829d507bc10a6b7d9bc1238dec175c498825487782c22b9cd9e97c5b0c9119d694f26432070aa3  deviceinfo
 "