plat: brcm: Remove 'AARCH32' deprecated macro

Removed 'AARCH32' deprecated macro from 'stingray'
Broadcom platform code.

Change-Id: If8d9e785b7980fefd39df06547fcf71b899fd735
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>

plat/brcm/board/stingray/src/brcm_pm_ops.c

@@ -323,7 +323,7 @@ static int brcm_validate_ns_entrypoint(uintptr_t entrypoint)
 	if ((entrypoint >= BRCM_NS_DRAM1_BASE) &&
 	    (entrypoint < (BRCM_NS_DRAM1_BASE + BRCM_NS_DRAM1_SIZE)))
 		return PSCI_E_SUCCESS;
-#ifndef AARCH32
+#ifdef __aarch64__
 	if ((entrypoint >= BRCM_DRAM2_BASE) &&
 	    (entrypoint < (BRCM_DRAM2_BASE + BRCM_DRAM2_SIZE)))
 		return PSCI_E_SUCCESS;