eminaries/qtrvsim/branchpred-1: add for loops alternative to the code

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

seminaries/qtrvsim/branchpred-1/branchpred-1.S

 .globl _start
 
 # i = s0, j = s1, c = s2, t0 = outer loop limits, t1 = inner loop limit, t3 - auxiliary variable
+# c = 0; for ( i = 0; i < 4; i++) for ( j = 0; i < 5; j++) c++;
 # c, i, j = 0; do { do { c++ } while(++j < 5) } while(i < 4);
 
 _start: