Introduce spi_block_erase_db()

Used for page erase on some chips (e.g. Numonyx M45PE and
Sanyo LF25FW series).

Corresponding to flashrom svn r1682.

Signed-off-by: Nikolay Nikolaev <evrinoma@gmail.com>
Reviewed-by: Steven Zakulec <spzakulec@gmail.com>
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
3 files changed