baremetal: Add IAR Renesas V850 toolchain support
baremetal: Add IAR Renesas V850 toolchain support

This commit adds a basic support of the IAR Embedded Workbench
toolchain for the Renesas V850 processors family:

* https://www.renesas.com/cn/en/products/microcontrollers-microprocessors/v850.html

Change-Id: I289b2c9718ea917b04a1f14a3d2c70f4f26359d8
Reviewed-by: Ivan Komissarov <96f14e4d07227e958f51f7d2898113639e9498d9@gmail.com>
Reviewed-by: Christian Kandeler <3aa99dcdd3f0cac61fb81c2a11771c0cc2497607@qt.io>

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