wil6210: map RGF_USER_USAGE_1 on the debugfs

Firmware sets this register with the offset of the firmware trace area
within the peripheral memory region. Critical for the firmware trace
to work

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index d5b095d..8f66186 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -1022,6 +1022,9 @@
 	wil6210_debugfs_create_pseudo_ISR(wil, dbg);
 	wil6210_debugfs_create_ITR_CNT(wil, dbg);
 
+	wil_debugfs_create_iomem_x32("RGF_USER_USAGE_1", S_IRUGO, dbg,
+				     wil->csr +
+				     HOSTADDR(RGF_USER_USAGE_1));
 	debugfs_create_u32("mem_addr", S_IRUGO | S_IWUSR, dbg, &mem_addr);
 	debugfs_create_file("mem_val", S_IRUGO, dbg, wil, &fops_memread);