powerpc/5200: dts: digsy_mtc.dts: enable both MSCAN nodes
powerpc/5200: dts: digsy_mtc.dts: enable both MSCAN nodes

We use both MSCAN controllers on this board, so do not disable
them in the device tree.

Signed-off-by: Anatolij Gustschin <f79f5d5f0b8928b7f49f0262a90d53ad98a87c22@denx.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas