sf: Rename sf_params.c to spi_flash_ids.c

sf: Rename sf_params.c to spi_flash_ids.c

Now the flash params table as renamed to spi_flash_ids structure,
so rename the sf_params.c to spi_flash_ids.c and remove the legacy.

Cc: Bin Meng <[email protected]>
Cc: York Sun <[email protected]>
Cc: Vignesh R <[email protected]>
Cc: Mugunthan V N <[email protected]>
Cc: Michal Simek <[email protected]>
Signed-off-by: Jagan Teki <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
Tested-by: Jagan Teki <[email protected]>
Reviewed-by: Siva Durga Prasad Paladugu <[email protected]>