OMAP3 pandora: Fix CKE1 MUX setting to allow self-refresh

Pandora is using both SDRC CSes. The MUX setting is needed
for the second CS clock signal to allow the 2 RAM parts to
be put in self-refresh correctly.

Based on similar patch for beagle and overo by
Jean Pihet and Steve Sakoman.

board/omap3/pandora/pandora.h

@@ -396,6 +396,6 @@ const omap3_sysinfo sysinfo = {
  MUX_VAL(CP(D2D_MBUSFLAG),	(IEN  | PTD | DIS | M0)) /*d2d_mbusflag*/\
  MUX_VAL(CP(D2D_SBUSFLAG),	(IEN  | PTD | DIS | M0)) /*d2d_sbusflag*/\
  MUX_VAL(CP(SDRC_CKE0),		(IDIS | PTU | EN  | M0)) /*sdrc_cke0*/\
- MUX_VAL(CP(SDRC_CKE1),		(IDIS | PTD | DIS | M7)) /*sdrc_cke1*/
+ MUX_VAL(CP(SDRC_CKE1),		(IDIS | PTU | EN  | M0)) /*sdrc_cke1*/
 
 #endif