Add missing GX2 enum values

[GaryOderNichts]

This adds various enum values some of which are based on decaf-emu's SQ register enums. See:

• Value returned by GX2RGetBufferAlignment(GX2R_RESOURCE_BIND_UNIFORM_BLOCK)
• https://github.com/decaf-emu/decaf-emu/blob/dd0b1be35849c5bed7d7cdb60125a996620da785/src/libdecaf/src/cafe/libraries/gx2/gx2_enum.h#L13
• https://github.com/decaf-emu/decaf-emu/blob/dd0b1be35849c5bed7d7cdb60125a996620da785/src/libgpu/latte/latte_enum_cb.h#L28-L29
• https://github.com/decaf-emu/decaf-emu/blob/dd0b1be35849c5bed7d7cdb60125a996620da785/src/libgpu/latte/latte_enum_sq.h#L306-L315
• https://github.com/decaf-emu/decaf-emu/blob/dd0b1be35849c5bed7d7cdb60125a996620da785/src/libgpu/latte/latte_enum_sq.h#L349-L353
• https://github.com/decaf-emu/decaf-emu/blob/dd0b1be35849c5bed7d7cdb60125a996620da785/src/libgpu/latte/latte_enum_sq.h#L317-L323