[POWERPC] 85xx/86xx: refactor RSTCR reset code

On the majority of 85xx & 86xx we have a register that's ability to
assert HRESET_REQ to reset the board.  We refactored that code so it
can be shared between both platforms into fsl_soc.c and removed all
the duplication in each platform directory.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index abc85b8..afe5868 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -46,7 +46,6 @@
 
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
-#include "mpc85xx.h"
 
 static int cds_pci_slot = 2;
 static volatile u8 *cadmus;
@@ -96,7 +95,7 @@
 	 *  If we can't find the VIA chip (maybe the P2P bridge is disabled)
 	 *  or the VIA chip reset didn't work, just use the default reset.
 	 */
-	mpc85xx_restart(NULL);
+	fsl_rstcr_restart(NULL);
 }
 
 static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev)
@@ -343,7 +342,7 @@
 	.restart	= mpc85xx_cds_restart,
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 #else
-	.restart	= mpc85xx_restart,
+	.restart	= fsl_rstcr_restart,
 #endif
 	.calibrate_decr = generic_calibrate_decr,
 	.progress	= udbg_progress,