riscv: errata: Make ERRATA_STARFIVE_JH7100 depend on !DMA_DIRECT_REMAP

Similar to the Renesas RZ/Five[1] the JH7100 SoC needs the non-portable
CONFIG_DMA_GLOBAL_POOL enabled which is incompatible with DMA_DIRECT_REMAP
selected by RISCV_ISA_ZICBOM.

[1]: commit 31b2daea ("soc: renesas: Make RZ/Five depend on !DMA_DIRECT_REMAP")

Link: https://lore.kernel.org/all/24942b4d-d16a-463f-b39a-f9dfcb89d742@infradead.org/
Fixes: 64fc984a

 ("riscv: errata: Add StarFive JH7100 errata")
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>