[PATCH 1/2] arm: Replace CONFIG_HAS_TLS_REG with HWCAP_TLS and check for it on V6

[Tony Lindgren]

* Tony Lindgren <tony at atomide.com> [100621 16:45]:
> The TLS register is only available on ARM1136 r1p0 and later.
> Set HWCAP_TLS flags if hardware TLS is available.
> 
> Note that we now use 0xffff0ff4 for flagging software TLS to
> __kuser_get_tls, and 0xffff0ff8 for storing the software TLS value.

Forgot my own earlier comment to check only for ARM1136, will update
with this patch.

Tony
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