OMAP2/3 PRCM: don't export prm_*(), cm_*() functions

Device drivers and loadable modules should not be calling these
prm_* and cm_* functions, so stop exporting them.  Only core code
and device driver integration code (in arch/arm/*omap*) should
call these functions.
Signed-off-by: Paul Walmsley <paul@pwsan.com>

arch/arm/mach-omap2/prcm.c

@@ -170,14 +170,12 @@ u32 prm_read_mod_reg(s16 module, u16 idx)
 {
 	return __omap_prcm_read(prm_base, module, idx);
 }
-EXPORT_SYMBOL(prm_read_mod_reg);
 
 /* Write into a register in a PRM module */
 void prm_write_mod_reg(u32 val, s16 module, u16 idx)
 {
 	__omap_prcm_write(val, prm_base, module, idx);
 }
-EXPORT_SYMBOL(prm_write_mod_reg);
 
 /* Read-modify-write a register in a PRM module. Caller must lock */
 u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
@@ -191,21 +189,18 @@ u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
 
 	return v;
 }
-EXPORT_SYMBOL(prm_rmw_mod_reg_bits);
 
 /* Read a register in a CM module */
 u32 cm_read_mod_reg(s16 module, u16 idx)
 {
 	return __omap_prcm_read(cm_base, module, idx);
 }
-EXPORT_SYMBOL(cm_read_mod_reg);
 
 /* Write into a register in a CM module */
 void cm_write_mod_reg(u32 val, s16 module, u16 idx)
 {
 	__omap_prcm_write(val, cm_base, module, idx);
 }
-EXPORT_SYMBOL(cm_write_mod_reg);
 
 /* Read-modify-write a register in a CM module. Caller must lock */
 u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
@@ -219,7 +214,6 @@ u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
 
 	return v;
 }
-EXPORT_SYMBOL(cm_rmw_mod_reg_bits);
 
 /**
  * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness