openrisc: updating build tools naming convention

Dear u-boot community,

I just made a small change on the openrisc-generic platform
configuration to take in account the new naming convention (or1k instead
of or32, so the build process gets fine).

Could you take care to review and approve the following patch, please?

Kind regards,

arch/openrisc/config.mk

@@ -6,7 +6,7 @@
 #
 
 ifeq ($(CROSS_COMPILE),)
-CROSS_COMPILE := or32-elf-
+CROSS_COMPILE := or1k-elf-
 endif
 
 # r10 used for global object pointer, already set in OR32 GCC but just to be

arch/openrisc/cpu/u-boot.lds

@@ -1,5 +1,5 @@
 #include <config.h>
-OUTPUT_ARCH(or32)
+OUTPUT_ARCH(or1k)
 __DYNAMIC  =  0;
 
 MEMORY