staging: rtl8712: Replace constant 49152 with expression 48 * 1024

This way we don't need the comment stating that 49152 equals 48k.
Signed-off-by: Mauro Dreissig <mukadr@gmail.com>
Link: https://lore.kernel.org/r/20200705143552.9368-2-mukadr@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/hal_init.c

@@ -27,7 +27,7 @@
 #include "usb_osintf.h"
 
 #define FWBUFF_ALIGN_SZ 512
-#define MAX_DUMP_FWSZ	49152 /*default = 49152 (48k)*/
+#define MAX_DUMP_FWSZ (48 * 1024)
 
 static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context)
 {