brcmfmac: Support 43455 save-restore (SR) feature if FW include -sr

This patch will add 43455 into the save-restore(SR) capable chip list, so
the SR engine will be enabled with 43455 FW which built-in the -sr
function.

Signed-off-by: Double Lo <double.lo@cypress.com>
Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c

@@ -1338,6 +1338,7 @@ bool brcmf_chip_sr_capable(struct brcmf_chip *pub)
 	switch (pub->chip) {
 	case BRCM_CC_4354_CHIP_ID:
 	case BRCM_CC_4356_CHIP_ID:
+	case BRCM_CC_4345_CHIP_ID:
 		/* explicitly check SR engine enable bit */
 		pmu_cc3_mask = BIT(2);
 		/* fall-through */