[U-Boot] [PATCH] mpc83xx: fix undefined reference to `flush_cache' error in simpc8313 build

[Scott Wood]

Wolfgang Denk wrote:
> It fails for me, too, but differently:
> 
> -> ./MAKEALL SIMPC8313_LP
> ...Large Page NAND...Configuring for SIMPC8313 board...
> ppc_5xx-ld: NAND bootstrap too big
> ppc_5xx-ld: NAND bootstrap too big
> make[1]: *** [/home/wd/git/u-boot/work/nand_spl/u-boot-spl] Error 1
> make: *** [nand_spl] Error 2
> make: *** Waiting for unfinished jobs....

We could cut out some bytes by making the large/small page distinction 
at compile-time rather than runtime.  Also, some of the strings could be 
cut down in size, and we could use raw accessors plus explicit barriers.

-Scott