r600g: use do_endian_swap in texture swapping function
r600g: use do_endian_swap in texture swapping function

For some texture formats we need to take "do_endian_swap" into account
when configuring their swizzling.

Signed-off-by: Oded Gabbay <c2fce4493a16d94b58efb315151c29911fc5d347@gmail.com>
Cc: "11.1 11.2" <59f39c0db42d4479a46b02d4d2bc11120e37bb44@lists.freedesktop.org>
Reviewed-by: Marek Olšák <8c7344a1abdb103e79ecfd488098373070c3c70e@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler