ANDROID: virt: geniezone: Refactor code comments from mainline v6 accordingly

Sync changes to align with upstream-v6
[Detail]
- Response to reviewers and fix bugs accordingly

Change-Id: I4ba05da2875542f067b8b275ce68a4869dcf9ca0
Signed-off-by: Yingshiuan Pan <yingshiuan.pan@mediatek.com>
Signed-off-by: Liju-Clr Chen <liju-clr.chen@mediatek.com>
Signed-off-by: Yi-De Wu <yi-de.wu@mediatek.com>
Bug: 301179926
Link: https://lore.kernel.org/all/20230919111210.19615-1-yi-de.wu@mediatek.com/