rtw89: update rtw89 regulation definition to R58-R31

Support QATAR in rtw89_regulation_type and reorder the enum to align
realtek R58-R31 regulation definition. Besides, if an unassigned entry
of limit/limit_ru tables is read, return the corresponding WW value for
the unconfigured case.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211101093106.28848-3-pkshih@realtek.com