[Buildroot] Rename aarch64_efi_defconfig to qemu_aarch64_virt_efi_defconfig

[Thomas Petazzoni <thomas.petazzoni@bootlin.com>]

On Sat, 11 Jul 2020 15:08:27 +0200
Romain Naour <romain.naour@gmail.com> wrote:

> Not really just testing this defconfig under Qemu, but having ACPI tables and
> other features enabled by EFI and grub when booting the system under Qemu.
> 
> The current qemu_aarch64_virt_defconfig boot with just the kernel, so ACPI
> tables are missing and the plig and play support is disabled.
> 
> dmesg:
> ACPI: Interpreter disabled.
> [...]
> pnp: PnP ACPI: disabled
> 
> For example, ACPI and hotplug support is required to use QEMU Virtual NVDIMM
> 
> -device nvdimm,id=nvdimm1,memdev=mem1
> 
> Instead of renaming aarch64_efi_defconfig, we can enable UEFI and grub in the
> qemu_aarch64_virt_defconfig itself.

Seems like a good idea.

> But it still require the QEMU_EFI.fd firmware, either built by
> Buildroot (complex hand written build system) or fetched from Linaro.

Of course, it's always better to build things from source, but if it's
really too horrible, we can have a package that fetches pre-compiled
binaries from Linaro.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com