[PATCH V2] Add support for flag status register on Micron chips.

From: Graham Moore Some new Micron flash chips require reading the flag status register to determine when operations have completed. Furthermore, chips with multi-die stacks of the 65nm 256Mb QSPI also require reading the status register before reading the flag status register. This patch adds

[PATCH] Add support for flag status register on Micron chips

From: Graham Moore This is a slightly different version of the patch that Insop Song submitted (http://marc.info/?i=201403012022.10111.marex%20()%20denx%20!%20de). I talked to Insop, and he agreed I should submit this patch as a follow-on to his. This patch uses a flag in the m25p_ids[] array

[PATCH] Add support for flag status register on Micron chips.

From: Graham Moore Some new Micron flash chips require reading the flag status register to determine when operations have completed. Furthermore, chips with multi-die stacks of the 65nm 256Mb QSPI also require reading the status register before reading the flag status register. This patch adds