Replace Type A _INT formats names with _SINT to match naming spec,
and update type C formats as follows:
    s/MESA_FORMAT_R_INT8\b/MESA_FORMAT_R_SINT8/g
    s/MESA_FORMAT_R_INT16\b/MESA_FORMAT_R_SINT16/g
    s/MESA_FORMAT_R_INT32\b/MESA_FORMAT_R_SINT32/g
    s/MESA_FORMAT_RG_INT8\b/MESA_FORMAT_RG_SINT8/g
    s/MESA_FORMAT_RG_INT16\b/MESA_FORMAT_RG_SINT16/g
    s/MESA_FORMAT_RG_INT32\b/MESA_FORMAT_RG_SINT32/g
    s/MESA_FORMAT_RGB_INT8\b/MESA_FORMAT_RGB_SINT8/g
    s/MESA_FORMAT_RGB_INT16\b/MESA_FORMAT_RGB_SINT16/g
    s/MESA_FORMAT_RGB_INT32\b/MESA_FORMAT_RGB_SINT32/g
    s/MESA_FORMAT_RGBA_INT8\b/MESA_FORMAT_RGBA_SINT8/g
    s/MESA_FORMAT_RGBA_INT16\b/MESA_FORMAT_RGBA_SINT16/g
    s/MESA_FORMAT_RGBA_INT32\b/MESA_FORMAT_RGBA_SINT32/g
    s/\bMESA_FORMAT_RED_RGTC1\b/MESA_FORMAT_R_RGTC1_UNORM/g
    s/\bMESA_FORMAT_SIGNED_RED_RGTC1\b/MESA_FORMAT_R_RGTC1_SNORM/g
    s/\bMESA_FORMAT_RG_RGTC2\b/MESA_FORMAT_RG_RGTC2_UNORM/g
    s/\bMESA_FORMAT_SIGNED_RG_RGTC2\b/MESA_FORMAT_RG_RGTC2_SNORM/g
    s/\bMESA_FORMAT_L_LATC1\b/MESA_FORMAT_L_LATC1_UNORM/g
    s/\bMESA_FORMAT_SIGNED_L_LATC1\b/MESA_FORMAT_L_LATC1_SNORM/g
    s/\bMESA_FORMAT_LA_LATC2\b/MESA_FORMAT_LA_LATC2_UNORM/g
    s/\bMESA_FORMAT_SIGNED_LA_LATC2\b/MESA_FORMAT_LA_LATC2_SNORM/g