davinci: remove remnants of IRAM allocator

Remove remnants of dm6446-specific SRAM allocator, as preparation for
a more generic replacement.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/include/mach/edma.h

@@ -208,10 +208,6 @@ void edma_clear_event(unsigned channel);
 void edma_pause(unsigned channel);
 void edma_resume(unsigned channel);
 
-/* UNRELATED TO DMA */
-int davinci_alloc_iram(unsigned size);
-void davinci_free_iram(unsigned addr, unsigned size);
-
 /* platform_data for EDMA driver */
 struct edma_soc_info {
 

arch/arm/mach-davinci/include/mach/memory.h

@@ -21,7 +21,6 @@
  * Definitions
  **************************************************************************/
 #define DAVINCI_DDR_BASE    0x80000000
-#define DAVINCI_IRAM_BASE   0x00008000 /* ARM Internal RAM */
 
 #define PHYS_OFFSET DAVINCI_DDR_BASE