clk: microchip: mpfs: fix parents for FIC clocks

clk: microchip: mpfs: fix parents for FIC clocks

The fabric interconnects are on the AXI bus not AHB.
Update their parent clocks to fix this.

Fixes: 8b6aa78fc69c ("clk: microchip: Add driver for Microchip PolarFire SoC")
Reviewed-by: Daire McNamara <daire.mcnamara@microchip.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220413075835.3354193-2-conor.dooley@microchip.com
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>