Revert "Revert "hikey: Switch second ARCH variant from deprecated armv7-a-neon to armv8-a""

This reverts commit d985b20ab1a6f52a1576b8e12589a6907e832955.

Bug: 64900226
Test: Manual
Change-Id: I348e2df8988e191403b84fe0559e3102122ed61a
1 file changed