mtd: tests/read: initialize buffer for whole next page
mtd: tests/read: initialize buffer for whole next page

fix: do block-buffer initialize for the whole next page to zero.

Signed-off-by: Christian Herzig <7296a294f846573a985e8f06ecf1fca9d5edb4d7@keymile.com>
Signed-off-by: Artem Bityutskiy <2f96f8cd3e2780a209d0ab27d1b44624d0019d3f@linux.intel.com>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs