samples: subsys: usb: hid-mouse: Align report descriptor
samples: subsys: usb: hid-mouse: Align report descriptor

This commit fix the alignment of the report descriptor
to make it easier to read.

Signed-off-by: Radoslaw Koppel <c53bdb246a28d48215f045abdb12a236ca111a4d@nordicsemi.no>

ldts/zephyr,finikorg/zephyr,finikorg/zephyr,GiulianoFranchetto/zephyr,GiulianoFranchetto/zephyr,ldts/zephyr,nashif/zephyr,Vudentz/zephyr,Vudentz/zephyr,Vudentz/zephyr,ldts/zephyr,galak/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,explora26/zephyr,nashif/zephyr,explora26/zephyr,zephyrproject-rtos/zephyr,nashif/zephyr,explora26/zephyr,punitvara/zephyr,explora26/zephyr,Vudentz/zephyr,punitvara/zephyr,ldts/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,punitvara/zephyr,galak/zephyr,punitvara/zephyr,GiulianoFranchetto/zephyr,zephyrproject-rtos/zephyr,Vudentz/zephyr,finikorg/zephyr,Vudentz/zephyr,galak/zephyr,ldts/zephyr,nashif/zephyr,punitvara/zephyr,explora26/zephyr,finikorg/zephyr,GiulianoFranchetto/zephyr