arm-bsp/machine: introducing corstone1000 MPS3 machine

This commit adds the corstone1000-mps3 machine.

Change-Id: I99f657574a693527d7763cb4cc9b0b05218bb316
Signed-off-by: Arpita S.K <Arpita.S.K@arm.com>
Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>

kas/corstone1000-base.yml

@@ -16,7 +16,7 @@ repos:
 
   poky:
     url: https://git.yoctoproject.org/git/poky
-    refspec: honister
+    refspec: master
     layers:
       meta:
       meta-poky:
@@ -24,7 +24,7 @@ repos:
 
   meta-openembedded:
     url: https://git.openembedded.org/meta-openembedded
-    refspec: f16efc00b7fcdbfa8c53e35c1fcebed5c06d975e
+    refspec: master
     layers:
       meta-oe:
       meta-python:
@@ -40,7 +40,6 @@ local_conf_header:
     LICENSE_FLAGS_WHITELIST += "armcompiler"
     BB_NUMBER_THREADS ?= "16"
     PARALLEL_MAKE ?= "-j16"
-    INHERIT += "rm_work"
     PACKAGECONFIG:append:pn-perf = " coresight"
 
 machine: unset