[PATCH] mtrr use type bool [RESEND AGAIN]

This is a janitorish patch to 1) remove private TRUE/FALSE #def's in favor of using the standard enum from linux/stddef.h and 2) switch the variables holding those values to type 'bool' (from linux/types.h) since it both seems more appropriate and allows for potentially better optimization. As a

[PATCH] mtrr use type bool [RESEND]

(Resending and copying the x86 maintainers since I'm not sure that Richard Gooch is still actively the mtrr maintainer. Also incorporated feedback from Richard Knutsson and Lennart Sorensen.) This is a janitorish patch to 1) remove private TRUE/FALSE #def's in favor of using the standard enum fr