riscv: dts: starfive: jh7110-common: drop no-mmc property from mmc1

riscv: dts: starfive: jh7110-common: drop no-mmc property from mmc1

Relax no-mmc restriction on mmc1 for jh7110 boards. The restriction is
only needed to block use of commands that would cause a device to
malfunction, which by testing and observation [1] is not any problem.

1: https://lore.kernel.org/lkml/NT0PR01MB1312E0D9EE9F158A57B77700E63D2@NT0PR01MB1312.CHNPR01.prod.partner.outlook.cn/

Signed-off-by: E Shattow <e@freeshell.de>
Tested-by: Hal Feng <hal.feng@starfivetech.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
[ upstream commit: 08128670a931a4117f7b93c703d0186c67c9e1e2 ]

(cherry picked from commit cd5d4277d9515be5c10752fd8140f03c3dfec541)