crc: deprecate old headers and issue warning when used

Change code to use crc.h instead crc{8,16,32}.h and issue warning when
old headers are used.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

include/crc32.h

@@ -15,4 +15,7 @@
 
 #include <crc.h>
 
+#warning This include file is deprecated in favor of crc.h. \
+Include crc.h instead.
+
 #endif

include/crc8.h

@@ -10,4 +10,7 @@
 
 #include <crc.h>
 
+#warning This include file is deprecated in favor of crc.h. \
+Include crc.h instead.
+
 #endif

lib/crc/crc16_sw.c

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <crc16.h>
+#include <crc.h>
 
 u16_t crc16(const u8_t *src, size_t len, u16_t polynomial,
 	    u16_t initial_value, bool pad)

lib/crc/crc32_sw.c

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <crc32.h>
+#include <crc.h>
 
 u32_t crc32_ieee(const u8_t *data, size_t len)
 {

lib/crc/crc8_sw.c

@@ -5,7 +5,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <crc8.h>
+#include <crc.h>
 
 static const u8_t crc8_ccitt_small_table[16] = {
 	0x00, 0x07, 0x0e, 0x09, 0x1c, 0x1b, 0x12, 0x15,

subsys/fs/fcb/fcb_elem_info.c

@@ -5,7 +5,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#include <crc8.h>
+#include <crc.h>
 
 #include "fcb.h"
 #include "fcb_priv.h"

subsys/fs/nffs_fs.c

@@ -11,7 +11,7 @@
 #include <init.h>
 #include <flash.h>
 #include <fs.h>
-#include <crc16.h>
+#include <crc.h>
 #include <misc/__assert.h>
 #include <misc/printk.h>
 #include <nffs/os.h>

subsys/fs/nvs/nvs.c

@@ -10,7 +10,7 @@
 #include <errno.h>
 #include <inttypes.h>
 #include <nvs/nvs.h>
-#include <crc8.h>
+#include <crc.h>
 #include "nvs_priv.h"
 
 #define LOG_LEVEL CONFIG_NVS_LOG_LEVEL

subsys/mgmt/serial_util.c

@@ -8,7 +8,7 @@
 #include <string.h>
 #include <stdbool.h>
 #include <errno.h>
-#include <crc16.h>
+#include <crc.h>
 #include <misc/byteorder.h>
 #include <net/buf.h>
 #include <base64.h>

tests/application_development/cpp/src/main.cpp

@@ -18,8 +18,8 @@
 #include <kernel.h>
 #include <net/buf.h>
 #include <misc/byteorder.h>
-#include <crc8.h>
-#include <crc16.h>
+#include <crc.h>
+#include <crc.h>
 
 #include <gpio.h>
 #include <led_strip.h>