arm64: dts: apple: Add PMIC NVMEM

arm64: dts: apple: Add PMIC NVMEM

Add device tree entries for NVMEM cells present on the PMIC

Signed-off-by: Hector Martin <marcan@marcan.st>
Reviewed-by: Nick Chan <towinchenmi@gmail.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Co-developed-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Link: https://lore.kernel.org/r/20250423-spmi-nvmem-v3-3-2985aa722ddc@gmail.com
Signed-off-by: Sven Peter <sven@svenpeter.dev>