Don't populate array gamma_par_mask on the stack but instead make it
static.  Makes the object code smaller by 148 bytes:
Before:
   text	   data	    bss	    dec	    hex	filename
   2993	   1104	      0	   4097	   1001	drivers/staging/fbtft/fb_st7789v.o
After:
   text	   data	    bss	    dec	    hex	filename
   2757	   1192	      0	   3949	    f6d	drivers/staging/fbtft/fb_st7789v.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
                break;
        case CIT_MODEL1: {
                int i;
-               const unsigned short sa[] = {
+               static const unsigned short sa[] = {
                        0x11, 0x13, 0x16, 0x18, 0x1a, 0x8, 0x0a };
 
                for (i = 0; i < cit_model1_ntries; i++)
 
         * The masks are the same for both positive and negative voltage
         * gamma curves.
         */
-       const u8 gamma_par_mask[] = {
+       static const u8 gamma_par_mask[] = {
                0xFF, /* V63[3:0], V0[3:0]*/
                0x3F, /* V1[5:0] */
                0x3F, /* V2[5:0] */