radv: fix texturesamples to handle single sample case
radv: fix texturesamples to handle single sample case

We can only read the valid samples if this is an MSAA
texture, which means the type field must be 0x14 or 0x15.

This fixes:
dEQP-VK.glsl.texture_functions.query.texturesamples.*

Cc: "13.0" <59f39c0db42d4479a46b02d4d2bc11120e37bb44@lists.freedesktop.org>
Reviewed-by: Bas Nieuwenhuizen <1d31d94f30d40df7951505d1034e1e923d02ec49@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <f2295d84e358395675bc8031be58672073ae065e@redhat.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler