wifi: brcmfmac: Add support for the SDIO 43751 device

Add the SDIO ID and firmware matching for the 43751 device.

Based on the previous work from Marc Gonzalez <mgonzalez@freebox.fr>.

Tested on an i.MX6DL board connected to an AP6398SV chip with the
brcmfmac43752-sdio.bin firmware taken from:

https://source.puri.sm/Librem5/firmware-brcm43752-nonfree



Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com&gt;>
Link: https://patch.msgid.link/20250712215307.1310802-1-festevam@gmail.com


Signed-off-by: Johannes Berg <johannes.berg@intel.com>