ARM: socfpga: Assure correct CPACR configuration

Make sure the ARM CPACR register is zeroed out, this is mandatory
on Arria10.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <chin.liang.see@intel.com>
Cc: Dinh Nguyen <dinguyen@kernel.org>

arch/arm/mach-socfpga/board.c

@@ -21,12 +21,14 @@ DECLARE_GLOBAL_DATA_PTR;
 void s_init(void) {
 #ifndef CONFIG_ARM64
 	/*
-	 * Preconfigure ACTLR, make sure Write Full Line of Zeroes is disabled.
+	 * Preconfigure ACTLR and CPACR, make sure Write Full Line of Zeroes
+	 * is disabled in ACTLR.
 	 * This is optional on CycloneV / ArriaV.
 	 * This is mandatory on Arria10, otherwise Linux refuses to boot.
 	 */
 	asm volatile(
 		"mcr p15, 0, %0, c1, c0, 1\n"
+		"mcr p15, 0, %0, c1, c0, 2\n"
 		"isb\n"
 		"dsb\n"
 	::"r"(0x0));