i386 cpufeature.h cleanup + comment

The 2.4.22-pre3 changelog includes:
>Alan Cox <alan@lxorguk.ukuu.org.uk>:
...
>  o add the extra cpu bit test flags

This added a second cpu_has() macro to cpufeature.h, which
the patch below cleans up.

Note that FEATURE_EST currently mustn't be used: it resides
in the fifth word ([4]) but only four words are allocated
(NCAPINTS). If you bump NCAPINTS, you must also adjust the
hard-coded struct offsets in arch/i386/kernel/head.S or
Very Bad Things happen.

/Mikael

--- linux-2.4.22-pre3/include/asm-i386/cpufeature.h.~1~	2003-07-06 18:37:46.000000000 +0200
+++ linux-2.4.22-pre3/include/asm-i386/cpufeature.h	2003-07-06 19:21:50.000000000 +0200
@@ -67,9 +67,6 @@
 /* Intel defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
 #define X86_FEATURE_EST		(4*32+ 7) /* Enhanced SpeedStep */
 
-#define cpu_has(c, bit)            test_bit(bit, (c)->x86_capability)
-
-
 #define cpu_has(c, bit)		test_bit(bit, (c)->x86_capability)
 #define boot_cpu_has(bit)	test_bit(bit, boot_cpu_data.x86_capability)
 
-
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