etnaviv texture cache flush fixes

Two fixes for the texture cache handling in etnaviv.

added etnaviv label

Thanks - Rb

added 2 commits

• 208c9aef - etnaviv: flush VS texture cache when texture data is changed
• df28e39a - etnaviv: fix texture barrier implementation

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assigned to @marge-bot

mentioned in commit lynxeye/mesa@77ab87e5

mentioned in commit lynxeye/mesa@9df5a2bd

added 100 commits

• df28e39a...e7ee11f8 - 98 commits from branch mesa:main
• 77ab87e5 - etnaviv: flush VS texture cache when texture data is changed
• 9df5a2bd - etnaviv: fix texture barrier implementation

Compare with previous version

merged