mtd: spi-nor: sfdp: Use SFDP_DWORD() macro for optional parameter tables

Change 0-based indexing values of parameter tables to 1-based ones by
SFDP_DWORD() macro.

Suggested-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/48cb008b40fdef4bf7f87e37029efaa2bfefa9ef.1672026365.git.Takahiro.Kuwano@infineon.com