drivers/net/wireless: Restore upper case words in wiphy_<level> messages

Commit c96c31e499b70964cfc88744046c998bb710e4b8
"(drivers/net/wireless: Use wiphy_<level>)"
inadvertently changed some upper case words to
lower case.  Restore the original case.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index 822f8dc..1eacba4 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -466,7 +466,7 @@
 	P54P_READ(dev_int);
 
 	if (!wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ)) {
-		wiphy_err(dev->wiphy, "cannot boot firmware!\n");
+		wiphy_err(dev->wiphy, "Cannot boot firmware!\n");
 		p54p_stop(dev);
 		return -ETIMEDOUT;
 	}