[OE-core] [PATCH v2] systemd-boot:grub-efi:wic: add variable APPENDS for multiple boot configuration

[Richard Purdie]

On Fri, 2019-08-02 at 20:33 +0800, chee.yang.lee at intel.com wrote:
> From: Chee Yang Lee <chee.yang.lee at intel.com>
> 
> introduce new variable APPENDS to define multiple
> boot configuration for systemd-boot and grub-efi.
> 
> APPENDS set the different in kernel option for each .conf
> file(for systemd-boot) or menuentry(for grub-efi).
> Include the differences in the title.
> Separate each configuration with ";".
> 
> e.g.:
> APPEND = "console=tty0 rootwait"
> APPENDS = " i915.enable_guc=0; i915.enable_guc=2"
> 
> for systemd-boot, above setting will produce 2 .conf,
> boot-1.conf and boot-2.conf which set with below title and option:
> 
> boot-1.conf -
> 	title boot-1 i915.enable_guc=0
> 	option console=tty0 rootwait i915.enable_guc=0
> 
> boot-2.conf -
> 	title boot-2 i915.enable_guc=2
> 	option console=tty0 rootwait i915.enable_guc=2
> 
> 
> also update oeqa/selftest/wic testcase to fit the new variable.

APPEND was a horrible choice of variable name. Lets not compound the
problem by adding new versions of it!

Cheers,

Richard