flashbench: use lower number of samples in -a test

Turns out a bit too much, and might hide some effects.
Also, using something just below a power of two works
better, so use 7 now.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1 file changed
tree: fb6491e4aaebf127383e7973fe3afde4708e00bd
  1. dev.c
  2. dev.h
  3. erase.c
  4. flashbench.c
  5. Makefile
  6. README
  7. vm.c
  8. vm.h