intel/apollolake: Use custom reset calls

Due to USB LDO issue in current steppings, cold reboot needs to be
temporarily disabled. Thus, hard_reset call should be the same as
soft_reset.

Once future steppings are available INTEL_COMMON_RESET can be enabled again.

Change-Id: If0ec56db3864d500acc93d2b363a78a6cd7632da
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15143
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/apollolake/Makefile.inc

@@ -28,6 +28,7 @@ romstage-y += meminit.c
 romstage-y += mmap_boot.c
 romstage-y += tsc_freq.c
 romstage-y += pmutil.c
+romstage-y += reset.c
 
 smm-y += mmap_boot.c
 smm-y += pmutil.c
@@ -52,6 +53,7 @@ ramstage-y += tsc_freq.c
 ramstage-y += pmutil.c
 ramstage-y += pmc.c
 ramstage-y += smi.c
+ramstage-y += reset.c
 
 postcar-y += exit_car.S
 postcar-y += memmap.c
@@ -65,6 +67,7 @@ verstage-y += mmap_boot.c
 verstage-$(CONFIG_SOC_UART_DEBUG) += uart_early.c
 verstage-y += tsc_freq.c
 verstage-y += pmutil.c
+verstage-y += reset.c
 
 CPPFLAGS_common += -I$(src)/soc/intel/apollolake/include