MSIOF0 and MSIOF1 are tied to two DMA controllers through two pairs of
DMA specifiers.  However, the second pair of corresponding DMA names was
missing.

Fixes: 80fab06e ("arm64: dts: r8a7796: Add all MSIOF nodes")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>