MSM Fix build warning in board-qsd8x50.c

Warning:
CC      arch/arm/mach-msm/board-qsd8x50.o
arch/arm/mach-msm/board-qsd8x50.c: In function 'qsd8x50_map_io':
arch/arm/mach-msm/board-qsd8x50.c:183:2: warning: passing argument 1 of 'msm_clock_init' from incompatible pointer type [enabled by default]
msm_clock_init(msm_clocks_8x50, msm_num_clocks_8x50);
^
In file included from arch/arm/mach-msm/board-qsd8x50.c:34:0:
arch/arm/mach-msm/include/mach/board.h:44:13: note: expected 'struct clk_lookup *' but argument is of type 'struct clk *'
void __init msm_clock_init(struct clk_lookup *clock_tbl, unsigned num_clocks);
            ^