Staging: mt29f_spinand: Remove blank line before '}' and after '{' braces

Remove unneeded blank lines preceding/following '}' and '{' braces, as
pointed out by checkpatch.

This patch addresses the following checkpatch checks:

CHECK: Blank lines aren't necessary before a close brace '}'
CHECK: Blank lines aren't necessary after an open brace '{'

Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>