wifi: rtw89: 8851b: rfk: update DPK to 0x11

Update DPK with TX/RX clock to 960MHz and 1920MHz, which improve
performance on certain chips.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250627035328.16577-1-pkshih@realtek.com