nvmem: spmi-mfd-nvmem: use legacy fixed layout

Fixes probing of nvmem cells in v6.8-rc6

Signed-off-by: Janne Grunau <j@jannau.net>

Author: jannau

drivers/nvmem/spmi-mfd-nvmem.c

@@ -46,6 +46,7 @@ static int spmi_mfd_nvmem_probe(struct platform_device *pdev)
 		.stride = 1,
 		.reg_read = spmi_mfd_nvmem_read,
 		.reg_write = spmi_mfd_nvmem_write,
+		.add_legacy_fixed_of_cells = true,
 	};
 
 	nvmem = devm_kzalloc(&pdev->dev, sizeof(*nvmem), GFP_KERNEL);