[U-Boot] [PATCH v3 0/4] QE patchset introduction

*Changes in v3: - split [PATCH v2 3/3] QE: assgin pins to QE-HDLC to two patches: [PATCH v3 3/4] ls1043rdb: move USB mux config to config_board_mux and [PATCH v3 4/4] qe: assgin pins to qe-hdlc.

*Changes in v2: - Add new patch in patchset.QE: mask the codes not used for micro QE - [PATCH v2 2/3] QE: add QE support on ls1043ardb - get qe_immr and qe_immr directly instead of from qe_base