nvmem: zynqmp: Fix the size to one byte to read the correct value fro…

…m the nvmem sysfs entry.

In the driver currently the sysfs read value is
4 bytes but it should be 1 byte inorder to read
the correct chipid.

This patch fixes this issue.

Signed-off-by: Nava kishore Manne <navam@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

drivers/nvmem/zynqmp_nvmem.c

@@ -39,8 +39,8 @@ static int zynqmp_nvmem_read(void *context, unsigned int offset,
 static struct nvmem_config econfig = {
 	.name = "zynqmp-nvmem",
 	.owner = THIS_MODULE,
-	.word_size = 4,
-	.size = 4,
+	.word_size = 1,
+	.size = 1,
 	.read_only = true,
 };