davinci: move psc support board-->cpu

Move DaVinci PSC support from board/* to cpu/* where it belongs.
The PSC module manages clocks and resets for all DaVinci-family
SoCs, and isn't at all board-specific.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
diff --git a/include/asm-arm/arch-davinci/hardware.h b/include/asm-arm/arch-davinci/hardware.h
index ebcdcfe..3f6d483 100644
--- a/include/asm-arm/arch-davinci/hardware.h
+++ b/include/asm-arm/arch-davinci/hardware.h
@@ -133,6 +133,14 @@
 #define DAVINCI_LPSC_GEM		39
 #define DAVINCI_LPSC_IMCOP		40
 
+void lpsc_on(unsigned int id);
+void dsp_on(void);
+
+void davinci_enable_uart0(void);
+void davinci_enable_emac(void);
+void davinci_enable_i2c(void);
+void davinci_errata_workarounds(void);
+
 /* Some PSC defines */
 #define PSC_CHP_SHRTSW			(0x01c40038)
 #define PSC_GBLCTL			(0x01c41010)