staging: rtlwifi: fix spelling mistake: "Hightest" -> "Highest"

Trivial fix to spelling mistake in ODM_RT_TRACE message text, fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtlwifi/phydm/phydm_rainfo.c

@@ -124,7 +124,7 @@ void odm_c2h_ra_para_report_handler(void *dm_void, u8 *cmd_buf, u8 cmd_len)
 			ODM_RT_TRACE(dm, ODM_FW_DEBUG_TRACE, "%5s  %d\n",
 				     "VHT_EN =", cmd_buf[4]);
 			ODM_RT_TRACE(dm, ODM_FW_DEBUG_TRACE, "%5s  %d\n",
-				     "Hightest rate =", cmd_buf[5]);
+				     "Highest rate =", cmd_buf[5]);
 			ODM_RT_TRACE(dm, ODM_FW_DEBUG_TRACE, "%5s  0x%x\n",
 				     "Lowest rate =", cmd_buf[6]);
 			ODM_RT_TRACE(dm, ODM_FW_DEBUG_TRACE, "%5s  0x%x\n",