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/arm11/cpu.c b/arch/arm/cpu/arm11/cpu.c
index 4aa704b..8aee153 100644
--- a/arch/arm/cpu/arm11/cpu.c
+++ b/arch/arm/cpu/arm11/cpu.c
@@ -51,7 +51,7 @@
 	asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (i));
 }
 
-#ifndef CONFIG_SYS_DCACHE_OFF
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
 void invalidate_dcache_all(void)
 {
 	asm volatile("mcr p15, 0, %0, c7, c6, 0" : : "r" (0));
@@ -87,7 +87,7 @@
 	asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
 }
 
-#else /* #ifndef CONFIG_SYS_DCACHE_OFF */
+#else /* #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
 void invalidate_dcache_all(void)
 {
 }
@@ -95,15 +95,15 @@
 void flush_dcache_all(void)
 {
 }
-#endif /* #ifndef CONFIG_SYS_DCACHE_OFF */
+#endif /* #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
 
-#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
+#if !(CONFIG_IS_ENABLED(SYS_ICACHE_OFF) && CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
 void enable_caches(void)
 {
-#ifndef CONFIG_SYS_ICACHE_OFF
+#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)
 	icache_enable();
 #endif
-#ifndef CONFIG_SYS_DCACHE_OFF
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
 	dcache_enable();
 #endif
 }