[PATCH, M68K] Handle lack of FPU registers

[Maxim Kuvyrkov]

This patch by Daniel Jacobowitz fixes handling of FPU-less ColdFire CPUs.

Note: m68k_gdbarch_init() invokes set_gdbarch_fp0_regnum twice, the 
first call is conditioned on fpregs_present, the second invocation is 
erroneous and, thus, should be removed.

Dan, feel free to check in this patch yourself.

Regards,

-- 
Maxim Kuvyrkov
CodeSourcery
maxim@codesourcery.com
(650) 331-3385 x724
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