brcmfmac: drop duplicated core selection from brcmf_pcie_attach

It was left after reworking PCIe reset in commit 07fe2e38
("brcmfmac: Reset PCIE devices after recognition.").

Cc: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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

@@ -601,7 +601,6 @@ static void brcmf_pcie_attach(struct brcmf_pciedev_info *devinfo)
 {
 	u32 config;
 
-	brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2);
 	/* BAR1 window may not be sized properly */
 	brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2);
 	brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGADDR, 0x4e0);