freedreno: always set all border colors
freedreno: always set all border colors

Instead of playing the guessing game as to which texture format reads
from which border color encoding type, just write both of them always.

Signed-off-by: Ilia Mirkin <bcbbb7aa705ec3a5fc5824c01a845186c3d62fca@alum.mit.edu>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler