arm64: rockchip_defconfig: Enable CONFIG_COREDUMP

vts-testcase/kernel/api/proc/KernelProcFileApiTest
had added tests for the core_pattern.

https://android.googlesource.com/kernel/configs
5ed73dc4d482 ("add missing configs")

CONFIG_COREDUMP and CONFIG_ELF_CORE are recommended for diagnostic
purposes.

came from android-recommended.config

Change-Id: I8400ffff1b5e025b4967a39536082fbcc4ec0859
Signed-off-by: Zhangbin Tong <zebulun.tong@rock-chips.com>

Author: Zhangbin Tong

arch/arm64/configs/rockchip_defconfig

@@ -73,7 +73,7 @@ CONFIG_CP15_BARRIER_EMULATION=y
 CONFIG_SETEND_EMULATION=y
 CONFIG_ARM64_SW_TTBR0_PAN=y
 # CONFIG_EFI is not set
-# CONFIG_COREDUMP is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_COMPAT=y
 CONFIG_PM_AUTOSLEEP=y
 CONFIG_PM_WAKELOCKS=y