libs/libc: correct config define of arch functions

Signed-off-by: chao an <anchao@xiaomi.com>

libs/libc/machine/Kconfig

@@ -112,6 +112,22 @@ config LIBC_ARCH_STRRCHR
 	bool
 	default n
 
+config LIBC_ARCH_STRCAT
+	bool
+	default n
+
+config LIBC_ARCH_STRNCAT
+	bool
+	default n
+
+config LIBC_ARCH_STRCASECMP
+	bool
+	default n
+
+config LIBC_ARCH_STRNCASECMP
+	bool
+	default n
+
 config LIBC_ARCH_ELF
 	bool
 	default n

libs/libc/string/lib_strcasecmp.c

@@ -31,7 +31,7 @@
  * Public Functions
  ****************************************************************************/
 
-#ifndef CONFIG_ARCH_STRCASECMP
+#ifndef CONFIG_LIBC_ARCH_STRCASECMP
 #undef strcasecmp /* See mm/README.txt */
 int strcasecmp(FAR const char *cs, FAR const char *ct)
 {

libs/libc/string/lib_strcat.c

@@ -30,7 +30,7 @@
  * Public Functions
  ****************************************************************************/
 
-#ifndef CONFIG_ARCH_STRCAT
+#ifndef CONFIG_LIBC_ARCH_STRCAT
 #undef strcat /* See mm/README.txt */
 FAR char *strcat(FAR char *dest, FAR const char *src)
 {

libs/libc/string/lib_strncasecmp.c

@@ -32,7 +32,7 @@
  * Public Functions
  ****************************************************************************/
 
-#ifndef CONFIG_ARCH_STRNCASECMP
+#ifndef CONFIG_LIBC_ARCH_STRNCASECMP
 #undef strncasecmp /* See mm/README.txt */
 int strncasecmp(FAR const char *cs, FAR const char *ct, size_t nb)
 {

libs/libc/string/lib_strncat.c

@@ -30,7 +30,7 @@
  * Public Functions
  ****************************************************************************/
 
-#ifndef CONFIG_ARCH_STRNCAT
+#ifndef CONFIG_LIBC_ARCH_STRNCAT
 #undef strncat /* See mm/README.txt */
 FAR char *strncat(FAR char *dest, FAR const char *src, size_t n)
 {