[U-Boot] ARM v7: Flush icache when executing a program with go

[Wolfgang Denk]

Dear Kuo-Jung Su,

In message <CAK65tU4sGY638wWY88Nv_pQj4Edu1L1c7c3Qarunh0Duz7_tjA at mail.gmail.com> you wrote:
>
> How about making the weak aliased arch_preboot_os() global, and then
> get it invoked
> in both bootm & go?
> It looks much pretty to me, and we don't even worry about the i-cache issues.

That would not really help as it would be architecure specific, so it
does not really solve the problem buty instead create new ones like
incompatible code & behaviour.

Best regards,

Wolfgang Denk

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