feature-arm-thumb.inc: drop ARM -vs- thumb comments

Comments are old and specific to thumb1. Since oe-core CPU tuning
files aren't really the right place to fully document ARM -vs- thumb,
drop the comments instead of trying to update them.

(From OE-Core rev: 06225600d4d3041da0d28c79058e5b8ceb4874bf)

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 0 insertions, 6 deletions

diff --git a/meta/conf/machine/include/arm/feature-arm-thumb.inc b/meta/conf/machine/include/arm/feature-arm-thumb.inc
index 5632171863..0a9545c7bb 100644
--- a/meta/conf/machine/include/arm/feature-arm-thumb.inc
+++ b/meta/conf/machine/include/arm/feature-arm-thumb.inc
@@ -1,9 +1,3 @@
-# The instruction set the compiler should use when generating application
-# code. The kernel is always compiled with arm code at present. arm code
-# is the original 32 bit ARM instruction set, thumb code is the 16 bit
-# encoded RISC sub-set. Thumb code is smaller (maybe 70% of the ARM size)
-# but requires more instructions (140% for 70% smaller code) so may be
-# slower.
 TUNEVALID[thumb] = "Use thumb instructions instead of ARM"
 ARM_THUMB_OPT = "${@['arm', 'thumb'][d.getVar('ARM_INSTRUCTION_SET', True) == 'thumb']}"
 ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv4',  't',  '', d)}"