char: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>

drivers/char/tpm/tpm_ppi.c

@@ -380,7 +380,7 @@ void tpm_add_ppi(struct tpm_chip *chip)
 				      TPM_PPI_FN_VERSION,
 				      NULL, ACPI_TYPE_STRING);
 	if (obj) {
-		strlcpy(chip->ppi_version, obj->string.pointer,
+		strscpy(chip->ppi_version, obj->string.pointer,
 			sizeof(chip->ppi_version));
 		ACPI_FREE(obj);
 	}