armsr: enable ACPI_BUTTON

A review of the generated OpenWrt kernel .config
vs the Linux arm64 defconfig showed that this
option was not being enabled, as it is disabled
in OpenWrt's generic config.

ACPI_BUTTON is needed to report and respond to
power button events, so it should be enabled.

Signed-off-by: Mathew McBride <[email protected]>

target/linux/armsr/config-6.1

@@ -13,6 +13,7 @@ CONFIG_ACPI_APEI_MEMORY_FAILURE=y
 CONFIG_ACPI_APEI_PCIEAER=y
 CONFIG_ACPI_BATTERY=y
 # CONFIG_ACPI_BGRT is not set
+CONFIG_ACPI_BUTTON=y
 CONFIG_ACPI_CCA_REQUIRED=y
 CONFIG_ACPI_CONTAINER=y
 CONFIG_ACPI_CPPC_CPUFREQ=y