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. Makefile
  2. README
  3. dev.c
  4. dev.h
  5. erase.c
  6. flashbench.c
  7. vm.c
  8. vm.h