staging: rtl8712: Fix multiple blank lines warning from .c files

This patch fixes the checkpatch.pl warnings like:
CHECK: Please don't use multiple blank lines
+
+
from rtl871x_ioctl_rtl.c, rtl871x_ioctl_set.c, rtl871x_recv.c,
and rtl871x_security.c

Signed-off-by: Sathish Kumar <skumark1902@gmail.com>
Link: https://lore.kernel.org/r/20220404035213.2609-1-skumark1902@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_ioctl_rtl.c

@@ -367,7 +367,6 @@ uint oid_rt_get_scan_in_progress_hdl(struct oid_par_priv *poid_par_priv)
 	return RNDIS_STATUS_SUCCESS;
 }
 
-
 uint oid_rt_forced_data_rate_hdl(struct oid_par_priv *poid_par_priv)
 {
 	return RNDIS_STATUS_SUCCESS;

drivers/staging/rtl8712/rtl871x_ioctl_set.c

@@ -22,7 +22,6 @@
 #include "usb_osintf.h"
 #include "usb_ops.h"
 
-
 static u8 validate_ssid(struct ndis_802_11_ssid *ssid)
 {
 	u8 i;

drivers/staging/rtl8712/rtl871x_recv.c

@@ -455,7 +455,6 @@ static sint validate_recv_mgnt_frame(struct _adapter *adapter,
 	return _FAIL;
 }
 
-
 static sint validate_recv_data_frame(struct _adapter *adapter,
 				     union recv_frame *precv_frame)
 {

drivers/staging/rtl8712/rtl871x_security.c

@@ -381,7 +381,6 @@ void seccalctkipmic(u8 *key, u8 *header, u8 *data, u32 data_len, u8 *mic_code,
 #define P1K_SIZE         10    /*  80-bit Phase1 key                */
 #define RC4_KEY_SIZE     16    /* 128-bit RC4KEY (104 bits unknown) */
 
-
 /* 2-unsigned char by 2-unsigned char subset of the full AES S-box table */
 static const unsigned short Sbox1[2][256] = {/* Sbox for hash (can be in ROM) */
 	{