Merge tag 'renesas-r9a07g044-dt-binding-defs-tag2' into renesas-clk-for-v5.15

Renesas RZ/G2L DT Binding Definitions Update

Missing definition for the P0_DIV2 core clock on the Renesas RZ/G2L
(R9A07G044) SoC, shared by driver and DT source files.