branch master updated (703e5c9 -> 1599054)

[guix-commits]

vagrantc pushed a change to branch master
in repository guix.

    from 703e5c9  services: cuirass: Add Zabbix support.
     new 0424d1f  gnu: u-boot: Update to 2021.01.
     new be33acc  gnu: arm-trusted-firmware: Update to 2.4.
     new 1599054  gnu: u-boot-puma-rk3399: Switch to using 
arm-trusted-firmware-rk3399.

The 3 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/bootloader/u-boot.scm    |  2 +-
 gnu/packages/bootloaders.scm | 46 ++++++++++++--------------
 gnu/packages/firmware.scm    | 78 +++++---------------------------------------
 3 files changed, 30 insertions(+), 96 deletions(-)