arm64: Add MIDR entries for Cortex-A57 and Cortex-A76

Add MIDR entries for Cortex-A57 and Cortex-A76 cores.
Those are used on R-Car Gen3 and Gen4 SoCs respectively.

Reviewed-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/arch/arm/include/asm/armv8/cpu.h b/arch/arm/include/asm/armv8/cpu.h
index aa1470b..4dbb589 100644
--- a/arch/arm/include/asm/armv8/cpu.h
+++ b/arch/arm/include/asm/armv8/cpu.h
@@ -5,7 +5,9 @@
 
 #define MIDR_PARTNUM_CORTEX_A35		0xD04
 #define MIDR_PARTNUM_CORTEX_A53		0xD03
+#define MIDR_PARTNUM_CORTEX_A57		0xD07
 #define MIDR_PARTNUM_CORTEX_A72		0xD08
+#define MIDR_PARTNUM_CORTEX_A76		0xD0B
 #define MIDR_PARTNUM_SHIFT		0x4
 #define MIDR_PARTNUM_MASK		(0xFFF << MIDR_PARTNUM_SHIFT)
 
@@ -29,4 +31,6 @@
 
 is_cortex_a(35)
 is_cortex_a(53)
+is_cortex_a(57)
 is_cortex_a(72)
+is_cortex_a(76)