tests: shell: Filter on UART_CONSOLE support to enable more boards
tests: shell: Filter on UART_CONSOLE support to enable more boards

The shell tests were limited to running on just qemu_x86 platform, we
can run them on any platform with UART_CONSOLE support so move to using
a filter.

Signed-off-by: Kumar Gala <a5e5248af4cd4f0ed8c515f61d40a6e2db46a66e@linaro.org>

zephyrproject-rtos/zephyr,kraj/zephyr,punitvara/zephyr,Vudentz/zephyr,galak/zephyr,mbolivar/zephyr,GiulianoFranchetto/zephyr,ldts/zephyr,mbolivar/zephyr,ldts/zephyr,Vudentz/zephyr,holtmann/zephyr,mbolivar/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,nashif/zephyr,ldts/zephyr,punitvara/zephyr,fbsder/zephyr,fbsder/zephyr,finikorg/zephyr,fbsder/zephyr,nashif/zephyr,zephyriot/zephyr,holtmann/zephyr,fractalclone/zephyr-riscv,fractalclone/zephyr-riscv,aceofall/zephyr-iotos,fractalclone/zephyr-riscv,galak/zephyr,Vudentz/zephyr,rsalveti/zephyr,runchip/zephyr-cc3220,mbolivar/zephyr,galak/zephyr,nashif/zephyr,holtmann/zephyr,GiulianoFranchetto/zephyr,zephyriot/zephyr,aceofall/zephyr-iotos,zephyriot/zephyr,aceofall/zephyr-iotos,zephyrproject-rtos/zephyr,Vudentz/zephyr,ldts/zephyr,explora26/zephyr,mbolivar/zephyr,explora26/zephyr,punitvara/zephyr,galak/zephyr,Vudentz/zephyr,aceofall/zephyr-iotos,runchip/zephyr-cc3220,finikorg/zephyr,punitvara/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,explora26/zephyr,holtmann/zephyr,holtmann/zephyr,runchip/zephyr-cc3220,fbsder/zephyr,rsalveti/zephyr,rsalveti/zephyr,zephyrproject-rtos/zephyr,rsalveti/zephyr,finikorg/zephyr,nashif/zephyr,fbsder/zephyr,finikorg/zephyr,ldts/zephyr,zephyriot/zephyr,runchip/zephyr-cc3220,runchip/zephyr-cc3220,zephyriot/zephyr,fractalclone/zephyr-riscv,explora26/zephyr,kraj/zephyr,fractalclone/zephyr-riscv,explora26/zephyr,rsalveti/zephyr,aceofall/zephyr-iotos,kraj/zephyr,GiulianoFranchetto/zephyr,kraj/zephyr,zephyrproject-rtos/zephyr,punitvara/zephyr,kraj/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr