[source] armvirt: Enable CONFIG_ARM_PMU

[LEDE Commits]

florian pushed a commit to source.git, branch master:
https://git.lede-project.org/ba792ee2195e525a40f61aaec75982963ceaf209

commit ba792ee2195e525a40f61aaec75982963ceaf209
Author: Florian Fainelli <f.fainelli at gmail.com>
AuthorDate: Sat Sep 16 14:49:37 2017 -0700

    armvirt: Enable CONFIG_ARM_PMU
    
    We will be prompted with this config symbol when performance monitoring is
    enabled in the kernel.
    
    Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 target/linux/armvirt/64/config-default | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/armvirt/64/config-default b/target/linux/armvirt/64/config-default
index 8a8c50b..6557d5c 100644
--- a/target/linux/armvirt/64/config-default
+++ b/target/linux/armvirt/64/config-default
@@ -47,6 +47,7 @@ CONFIG_ARM64_VA_BITS_39=y
 CONFIG_ARM64_VHE=y
 # CONFIG_ARMV8_DEPRECATED is not set
 CONFIG_ARM_GIC_V3_ITS=y
+CONFIG_ARM_PMU=y
 # CONFIG_ARM_SBSA_WATCHDOG is not set
 CONFIG_ATOMIC64_SELFTEST=y
 CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y