riscv: dts: spacemit: Define the P1 PMIC regulators for Milk-V Jupiter

riscv: dts: spacemit: Define the P1 PMIC regulators for Milk-V Jupiter

Define the SpacemiT P1 PMIC voltage regulators and their constraints.

The power management hardware design on the Milk-V Jupiter is identical to
the Banana Pi BPI-F3, so the DT Nodes were taken from k1-bananapi-f3.dts.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20251206134532.1741648-4-javierm@redhat.com
Signed-off-by: Yixun Lan <dlan@gentoo.org>