target-arm/cpu64.c: Actually register Cortex-A57 impdef registers

cpu64.c contains a reginfo list for the impdef registers on
the Cortex-A57; however we forgot to actually call define_arm_cp_regs(),
so it was sitting there doing nothing. Remedy this omission.

Message-id: 1401226259-23121-1-git-send-email-peter.maydell@linaro.org
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Tested-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

target-arm/cpu64.c

@@ -128,6 +128,7 @@ static void aarch64_a57_initfn(Object *obj)
     cpu->ccsidr[1] = 0x201fe012; /* 48KB L1 icache */
     cpu->ccsidr[2] = 0x70ffe07a; /* 2048KB L2 cache */
     cpu->dcz_blocksize = 4; /* 64 bytes */
+    define_arm_cp_regs(cpu, cortexa57_cp_reginfo);
 }
 
 #ifdef CONFIG_USER_ONLY