config: set config hip08 prefetch default value

hulk inclusion
category: bugfix
bugzilla: NA
CVE: NA

enable CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH, to add a
cmdline option to disable prefetch.
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

arch/arm64/configs/hulk_defconfig

@@ -401,6 +401,8 @@ CONFIG_ARM64_ERRATUM_845719=y
 CONFIG_HISILICON_ERRATUM_161600802=y
 CONFIG_HISILICON_ERRATUM_1980005=y
 # CONFIG_QCOM_FALKOR_ERRATUM_E1041 is not set
+CONFIG_HISILICON_ERRATUM_HIP08_RU_PREFETCH=y
+# CONFIG_HISILICON_HIP08_RU_PREFETCH_DEFAULT_OFF is not set
 CONFIG_ARM64_4K_PAGES=y
 # CONFIG_ARM64_16K_PAGES is not set
 # CONFIG_ARM64_64K_PAGES is not set