libc/debug: Rename CONFIG_EABI_UNWINDER to CONFIG_UNWINDER

since the unwinder not only work with arm but also other arch(e.g. riscv)

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I56cc54f2c99560c858362ab2dfba524097385716

include/execinfo.h

@@ -34,7 +34,7 @@ extern "C"
 #define EXTERN extern
 #endif
 
-#if defined(CONFIG_EABI_UNWINDER)
+#if defined(CONFIG_UNWINDER)
 
 /* Store up to SIZE return address of the current program state in
  * ARRAY and return the exact number of values stored.

libs/libc/debug/Kconfig

@@ -9,8 +9,8 @@
 
 menu "Library Debugging"
 
-config EABI_UNWINDER
-	bool "EABI Stack Unwinder"
+config UNWINDER
+	bool "Stack Unwinder"
 	default "n"
 	---help---
 		This option enables stack unwinding support in NuttX

libs/libc/debug/Make.defs

@@ -18,7 +18,7 @@
 #
 ############################################################################
 
-ifeq ($(CONFIG_EABI_UNWINDER),y)
+ifeq ($(CONFIG_UNWINDER),y)
 
 CSRCS += lib_backtrace.c lib_dumpstack.c