arm: sofcpga: s10: remove unused ad-hoc reset code

The stratix 10 reset manager ad-hoc code in arch/arm contains an unused
function 'reset_deassert_peripherals_handoff' that has been added from
the beginning. As this is probably a result of copying the gen5 reset
manager and this function has never been used, remove it.
Signed-off-by: NSimon Goldschmidt <simon.k.r.goldschmidt@gmail.com>

arch/arm/mach-socfpga/include/mach/reset_manager_s10.h

@@ -8,7 +8,6 @@
 #define	_RESET_MANAGER_S10_
 
 void reset_cpu(ulong addr);
-void reset_deassert_peripherals_handoff(void);
 int cpu_has_been_warmreset(void);
 
 void socfpga_bridges_reset(int enable);

arch/arm/mach-socfpga/reset_manager_s10.c

@@ -94,17 +94,6 @@ void socfpga_bridges_reset(int enable)
 	}
 }
 
-/*
- * Release peripherals from reset based on handoff
- */
-void reset_deassert_peripherals_handoff(void)
-{
-	writel(0, &reset_manager_base->per1modrst);
-	/* Enable OCP first */
-	writel(~RSTMGR_PER0MODRST_OCP_MASK, &reset_manager_base->per0modrst);
-	writel(0, &reset_manager_base->per0modrst);
-}
-
 /*
  * Return non-zero if the CPU has been warm reset
  */