Azure: Spell out the "everything" job

In order to get the list of boards that will be done in a "dry run"
build we need to have something listed and not just an exclude list.
Populate the job with all architecture directories except arm and
powerpc.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 6d3bdce..2c2d080 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -18,7 +18,7 @@
   powerpc: "powerpc"
   arm_catch_all: "arm -x aarch64,am33xx,at91,bcm,ls1,kirkwood,mvebu,omap,rk,siemens,mx,sunxi,technexion,toradex"
   aarch64_catch_all: "aarch64 -x amlogic,bcm,engicam,imx,ls1,ls2,lx216,mvebu,rk,siemens,sunxi,toradex"
-  everything_but_arm_and_powerpc: "-x arm,powerpc"
+  everything_but_arm_and_powerpc: "arc m68k microblaze mips nios2 riscv sandbox sh x86 xtensa -x arm,powerpc"
 
 stages:
 - stage: testsuites