binutils: fix 'call8: call target out of range' xtensa ld bug

This fixes the following linux kernel build errors:

  LD      init/built-in.o
  net/built-in.o: In function `raw_proc_exit':
  (.init.text+0xe29): dangerous relocation:
		      call8: call target out of range: udp_proc_register
  net/built-in.o: In function `udp_table_init':
  (.init.text+0xf09): dangerous relocation:
		      call8: call target out of range: udp_proc_register
  net/built-in.o: In function `inet_init':
  af_inet.c:(.init.text+0x142e): dangerous relocation:
				 call8: call target out of range: udp4_proc_exit
  net/built-in.o: In function `ip_auto_config':
  ipconfig.c:(.init.text+0x28aa): dangerous relocation:
				  call8: call target out of range: arp_send

Backported from: 331ed1307b93d3ff77d248bdf2f7b79a20851457
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>