nds32: Remove the architecture

As removal of nds32 has been ack'd for the Linux kernel, remove support
here as well.

Cc: Rick Chen <rick@andestech.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Rick Chen <rick@andestech.com>

examples/standalone/nds32.lds

@@ -1,39 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2011 Andes Technology Corporation
- * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
- * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- */
-
-OUTPUT_FORMAT("elf32-nds32", "elf32-nds32", "elf32-nds32")
-OUTPUT_ARCH(nds32)
-ENTRY(_start)
-SECTIONS
-{
-	. = ALIGN(4);
-	.text :
-	{
-		*(.text)
-	}
-
-	. = ALIGN(4);
-	.data : { *(.data) }
-
-	. = ALIGN(4);
-
-	.got : {
-		__got_start = .;
-		*(.got)
-		__got_end = .;
-	}
-
-	. = ALIGN(4);
-	__bss_start = .;
-	.bss : { *(.bss) }
-	__bss_end = .;
-
-	. = ALIGN(4);
-	.rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
-
-	_end = .;
-}

examples/standalone/stubs.c

@@ -161,19 +161,6 @@ gd_t *global_data;
 		"	nop\n"				\
 		"	nop\n"				\
 		: : "i"(offsetof(gd_t, jt)), "i"(FO(x)) : "r1", "r2");
-#elif defined(CONFIG_NDS32)
-/*
- * r16 holds the pointer to the global_data. gp is call clobbered.
- * not support reduced register (16 GPR).
- */
-#define EXPORT_FUNC(f, a, x, ...) \
-	asm volatile (			\
-"	.globl " #x "\n"		\
-#x ":\n"				\
-"	lwi	$r16, [$gp + (%0)]\n"	\
-"	lwi	$r16, [$r16 + (%1)]\n"	\
-"	jr	$r16\n"			\
-	: : "i"(offsetof(gd_t, jt)), "i"(FO(x)) : "$r16");
 #elif defined(CONFIG_RISCV)
 /*
  * gp holds the pointer to the global_data. t0 is call clobbered.