mesa: rename format_(un)pack.c functions to match format names (pt. 1)

mesa: rename format_(un)pack.c functions to match format names (pt. 1)

sed commands:
s/RGBA8888\b/A8B8G8R8_UNORM/g
s/RGBA8888_REV\b/R8G8B8A8_UNORM/g
s/ARGB8888\b/B8G8R8A8_UNORM/g
s/ARGB8888_REV\b/A8R8G8B8_UNORM/g
s/RGBA8888\b/X8B8G8R8_UNORM/g
s/RGBA8888_REV\b/R8G8B8X8_UNORM/g
s/XRGB8888\b/B8G8R8X8_UNORM/g
s/XRGB8888_REV\b/X8R8G8B8_UNORM/g
s/RGB888\b/BGR_UNORM8/g
s/BGR888\b/RGB_UNORM8/g
s/RGB565\b/B5G6R5_UNORM/g
s/RGB565_REV\b/R5G6B5_UNORM/g
s/ARGB4444\b/B4G4R4A4_UNORM/g
s/ARGB4444_REV\b/A4R4G4B4_UNORM/g
s/RGBA5551\b/A1B5G5R5_UNORM/g
s/ARGB1555\b/B5G5R5A1_UNORM/g
s/ARGB1555_REV\b/A1R5G5B5_UNORM/g
s/AL44\b/L4A4_UNORM/g
s/AL88\b/L8A8_UNORM/g
s/AL88_REV\b/A8L8_UNORM/g
s/AL1616\b/L16A16_UNORM/g
s/AL1616_REV\b/A16L16_UNORM/g
s/RGB332\b/B2G3R3_UNORM/g
s/A8\b/A_UNORM8/g
s/A16\b/A_UNORM16/g
s/L8\b/L_UNORM8/g
s/L16\b/L_UNORM16/g
s/L8\b/I_UNORM8/g
s/L16\b/I_UNORM16/g
s/R8\b/R_UNORM8/g
s/GR88\b/R8G8_UNORM/g
s/RG88\b/G8R8_UNORM/g
s/R16\b/R_UNORM16/g
s/GR1616\b/R16G16_UNORM/g
s/RG1616\b/G16R16_UNORM/g
s/ARGB2101010\b/B10G10R10A2_UNORM/g

Reviewed-by: Reviewed-by: Roland Scheidegger <sroland@vmware.com>