ARM: at91: sama5_defconfig: remove PERF and KALLSYMS

For performance reasons, remove some symbols and perf events to the default
configuration.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>

Author: noglitch

arch/arm/configs/sama5_defconfig

@@ -14,12 +14,11 @@ CONFIG_RT_GROUP_SCHED=y
 CONFIG_CGROUP_FREEZER=y
 CONFIG_CGROUP_DEVICE=y
 CONFIG_CGROUP_CPUACCT=y
-CONFIG_CGROUP_PERF=y
 CONFIG_NAMESPACES=y
 CONFIG_USER_NS=y
 CONFIG_BLK_DEV_INITRD=y
+# CONFIG_KALLSYMS is not set
 CONFIG_EMBEDDED=y
-CONFIG_PERF_EVENTS=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_FORCE_LOAD=y