arm64: defconfig: enable pcieaer configuration

Enable CONFIG_PCIEAER which is required for CONFIG_ACPI_APEI_PCIEAER.
Commit 8c8ff55b ("PCI/AER: Don't select CONFIG_PCIEAER by default")
changed it to no longer being enabled by default.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/configs/defconfig

@@ -211,6 +211,7 @@ CONFIG_NFC_NCI=m
 CONFIG_NFC_S3FWRN5_I2C=m
 CONFIG_PCI=y
 CONFIG_PCIEPORTBUS=y
+CONFIG_PCIEAER=y
 CONFIG_PCI_IOV=y
 CONFIG_PCI_PASID=y
 CONFIG_HOTPLUG_PCI=y