CONFIG_SPL_SYS_[DI]CACHE_OFF: add

While converting CONFIG_SYS_[DI]CACHE_OFF to Kconfig, there are instances
where these configuration items are conditional on SPL. This commit adds SPL
variants of these configuration items, uses CONFIG_IS_ENABLED(), and updates
the configurations as required.

Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Trevor Woerner <trevor@toganlabs.com>
[trini: Make the default depend on the setting for full U-Boot, update
more zynq hardware]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
index 9ca397e..e500e72 100644
--- a/arch/arm/cpu/armv8/cache_v8.c
+++ b/arch/arm/cpu/armv8/cache_v8.c
@@ -13,7 +13,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifndef CONFIG_SYS_DCACHE_OFF
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
 
 /*
  *  With 4k page granule, a virtual address is split into 4 lookup parts
@@ -657,7 +657,7 @@
 	__asm_invalidate_tlb_all();
 }
 
-#else	/* CONFIG_SYS_DCACHE_OFF */
+#else	/* !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
 
 /*
  * For SPL builds, we may want to not have dcache enabled. Any real U-Boot
@@ -694,9 +694,9 @@
 {
 }
 
-#endif	/* CONFIG_SYS_DCACHE_OFF */
+#endif	/* !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
 
-#ifndef CONFIG_SYS_ICACHE_OFF
+#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)
 
 void icache_enable(void)
 {
@@ -720,7 +720,7 @@
 	__asm_invalidate_l3_icache();
 }
 
-#else	/* CONFIG_SYS_ICACHE_OFF */
+#else	/* !CONFIG_IS_ENABLED(SYS_ICACHE_OFF) */
 
 void icache_enable(void)
 {
@@ -739,7 +739,7 @@
 {
 }
 
-#endif	/* CONFIG_SYS_ICACHE_OFF */
+#endif	/* !CONFIG_IS_ENABLED(SYS_ICACHE_OFF) */
 
 /*
  * Enable dCache & iCache, whether cache is actually enabled