wifi: ath11k: change WLAN_SCAN_PARAMS_MAX_IE_LEN from 256 to 512

wifi: ath11k: change WLAN_SCAN_PARAMS_MAX_IE_LEN from 256 to 512

Mac80211 needs more space for P2P scan ie in P2P mode, 256 is not
enough, resize it to 512.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.37
Tested-on: QCA2066 hw2.1 PCI WLAN.HSP.1.1-03926.13-QCAHSPSWPL_V2_SILICONZ_CE-2.52297.2

Signed-off-by: Kang Yang <quic_kangyang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240228093537.25052-5-quic_kangyang@quicinc.com