MIPS: OCTEON: Use correct CSR to soft reset

This fixes reboot for Octeon III boards

[ralf@linux-mips.org: Dropped segment for function cvmx_reset_octeon()
which was removed by the preceeding commit.]
Signed-off-by: Chandrakala Chavva <cchavva@caviumnetworks.com>
Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com>
Cc: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9464/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/cavium-octeon/setup.c

@@ -416,6 +416,9 @@ static void octeon_restart(char *command)
 
 	mb();
 	while (1)
+		if (OCTEON_IS_OCTEON3())
+			cvmx_write_csr(CVMX_RST_SOFT_RST, 1);
+		else
 			cvmx_write_csr(CVMX_CIU_SOFT_RST, 1);
 }