baremetal: Auto-detect ARMCLANG compiler supplied in Keil MDK
baremetal: Auto-detect ARMCLANG compiler supplied in Keil MDK

In this case the utility creates the default profile starting
with the 'keil-llvm-' string.

Change-Id: I81dfe94210a9e291d491568e7e0d978021453d4b
Reviewed-by: Ivan Komissarov <96f14e4d07227e958f51f7d2898113639e9498d9@gmail.com>
Reviewed-by: Christian Kandeler <3aa99dcdd3f0cac61fb81c2a11771c0cc2497607@qt.io>

qt-labs/qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qt-labs/qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs