[POWERPC] Add export for mpc52xx_set_psc_clkdiv
[POWERPC] Add export for mpc52xx_set_psc_clkdiv

mpc52xx_set_psc_clkdiv is needed by PSC device drivers.

Signed-off-by: Eric Dujardin <852735bb527975abd04fabed0281df886399f660@sagem.com>
Signed-off-by: Grant Likely <9069e6f5a2b566e2674a0ba1e2bf39c12c195fad@secretlab.ca>

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