dt-bindings: net: bcm4377-bluetooth: Add BCM4388 compatible

Add BCM4388 PCI vendor/product ID as compatible. The BCM4388 WiFi/BT
module is found on Apple silicon devices with M2 Pro/Max/Ultra and
later. Support for this variant was added in 2024 without amending the
dt-bindings.

Link: https://lore.kernel.org/asahi/[e-mail]/
Reviewed-by: Neal Gompa <[e-mail]>
Acked-by: Rob Herring (Arm) <[e-mail]>
Signed-off-by: Janne Grunau <[e-mail]>

Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml

···
       - pci14e4,5fa0 # BCM4377
       - pci14e4,5f69 # BCM4378
       - pci14e4,5f71 # BCM4387
+      - pci14e4,5f72 # BCM4388
 
   reg:
     maxItems: 1