u-boot: remove patch for obsolete version

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

boot/u-boot/u-boot-2009.01-include_asm-avr32_io.h.patch.avr32

@@ -1,13 +0,0 @@
-diff -urN u-boot-2009.01-rc3/include/asm-avr32/io.h u-boot-avr32//include/asm-avr32/io.h
---- u-boot-2009.01-rc3/include/asm-avr32/io.h	2009-01-18 21:37:48.000000000 +0100
-+++ u-boot-avr32//include/asm-avr32/io.h	2009-01-22 07:14:38.000000000 +0100
-@@ -125,9 +125,4 @@
- 
- }
- 
--static inline phys_addr_t virt_to_phys(void * vaddr)
--{
--	return (phys_addr_t)(vaddr);
--}
--
- #endif /* __ASM_AVR32_IO_H */