wifi: mwifiex: Add missing compatible string for SD8787

Commit e3fffc1 ("devicetree: document new marvell-8xxx and
pwrseq-sd8787 options") documented a compatible string for SD8787 in
the devicetree bindings, but neglected to add it to the mwifiex driver.

Fixes: e3fffc1 ("devicetree: document new marvell-8xxx and pwrseq-sd8787 options")
Signed-off-by: Lukas Wunner <[email protected]>
Cc: [email protected] # v4.11+
Cc: Matt Ranostay <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/320de5005ff3b8fd76be2d2b859fd021689c3681.1674827105.git.lukas@wunner.de

Author: l1k

drivers/net/wireless/marvell/mwifiex/sdio.c

@@ -480,6 +480,7 @@ static struct memory_type_mapping mem_type_mapping_tbl[] = {
 };
 
 static const struct of_device_id mwifiex_sdio_of_match_table[] = {
+	{ .compatible = "marvell,sd8787" },
 	{ .compatible = "marvell,sd8897" },
 	{ .compatible = "marvell,sd8997" },
 	{ }