anv: fix multi level clears with VK_REMAINING_MIP_LEVELS
anv: fix multi level clears with VK_REMAINING_MIP_LEVELS

A commit from the CTS suite on the 1.0-dev branch started using
VK_REMAINING_MIP_LEVELS, we're not dealing with it properly for clears.

Fixes:
   dEQP-VK.api.image_clearing.clear_color_image.*

Signed-off-by: Lionel Landwerlin <9463032a5b99ffad10f36631678a833369a311b5@intel.com>
Reviewed-by: Jason Ekstrand <68c46a606457643eab92053c1c05574abb26f861@jlekstrand.net>
Cc: "13.0" <59f39c0db42d4479a46b02d4d2bc11120e37bb44@lists.freedesktop.org>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler