Hack! break size 4

Signed-off-by: Vincent Stehlé <v-stehle@ti.com>
Hack! Try conditional poke for break

Signed-off-by: Vincent Stehlé <v-stehle@ti.com>
Hack! Add thumb2 32b breakpoint

Signed-off-by: Vincent Stehlé <v-stehle@ti.com>
Work in progress! Add dynamic 16b/32b breakpoints