v5: simplify JBSMATCH_OPCODE implementation

R=1 is not usable due to having *run* time determined encoding length.

We'll reuse this for jmp condition negation in an upcoming change.

After this:
 text	   data	    bss	    dec	    hex	filename
   3892	      0	      0	   3892	    f34	apf_interpreter.arm.o
   text	   data	    bss	    dec	    hex	filename
   4924	      0	      0	   4924	   133c	apf_interpreter.x86.o

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I61ad0f93ae649765e4ab04e65a0a56f2742583e7
2 files changed