Rebuild to switch to SPDX license identifiers and cleanup.

Signed-off-by: David Runge <dvzrv@archlinux.org>

Signed-off-by: David Runge <dvzrv@archlinux.org>

Signed-off-by: David Runge <dvzrv@archlinux.org>

Remove unnecessary quotes and curly braces.
Simplify calls to make.
Remove unneeded prepare().
Switch to verifying based on tag, using a commit object (the tag points at).
Add 039A9CEA19DE9508C36875AA2532F9176A95A442 to validpgpkeys, which is
cross-signed with B00B48BC731AA8840FED9FB0EED266B70F4FEF10 on keyserver.ubuntu.com.
Add keys for B00B48BC731AA8840FED9FB0EED266B70F4FEF10 and
039A9CEA19DE9508C36875AA2532F9176A95A442.

As discussed in FS#54278 the EFIDIR setting is reserved for a subdirectory name.
Instead of providing an absolute path we now provide 'arch'.

Add all direct dependencies.
Add sodeps in package() and the respective package to makedepends.
Fix upstream url.

Updating maintainer info. Updating pkgdesc.
Removing unrequired packages from depends (pciutils, zlib) and adding required (glibc).
Building from signed tag, instead of having no verification whatsoever.
Removing unrequired options array and pkgver() function.
Removing unrequired echos and git calls.
Removing upstream hotfix for efivar 36, which breaks the build.
Using make install to install to pkgdir instead of doing things manually.
Installing docs. General cleanups.

pointing to the latest 'master' branch commit of new official upstream git repo https://github.com/vathpela/efibootmgr/commits/master