oprofile: reordering some code in cpu_buffer.c
oprofile: reordering some code in cpu_buffer.c

Reordering code to keep alloc/free functions together.

Signed-off-by: Robert Richter <22a70fd9773e4de05b12c05075e9bcd605577f4d@amd.com>

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