arm: k3: Enable instruction cache for main domain SPL

Change spl_enable_dcache so it also enable icache on SPL
initialization for the main domain part of the boot flow. This
improves bootloader booting time.

Link: https://lore.kernel.org/all/20231109140958.1093235-1-joao.goncalves@toradex.com/
Signed-off-by: Joao Paulo Goncalves <joao.goncalves@toradex.com>
Tested-by: Nishanth Menon <nm@ti.com>
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
index 4c7b03f..fd400e7 100644
--- a/arch/arm/mach-k3/common.c
+++ b/arch/arm/mach-k3/common.c
@@ -521,7 +521,7 @@
 	}
 }
 
-void spl_enable_dcache(void)
+void spl_enable_cache(void)
 {
 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
 	phys_addr_t ram_top = CFG_SYS_SDRAM_BASE;
@@ -542,7 +542,7 @@
 	      gd->arch.tlb_addr + gd->arch.tlb_size);
 	gd->relocaddr = gd->arch.tlb_addr;
 
-	dcache_enable();
+	enable_caches();
 #endif
 }