[libc] Add missing strcat.S to x86.mk Makefile

 arch-x86/string/strcat.S was not included in the x86.mk ;
 This was causing the build to fail when building for x86 Targets

Change-Id: I8001cdb25c2ff84c994603e648ef74c9c1daa5ea

libc: arch-arm: strlen: Illegal ARM registry entries fixed

Signed-off-by: Paul Beeler <[email protected]>

Change-Id: I52d7e95a8afb8b26f55fe0bc01853a15a95e90c2

libc: arch-arm: strlen: Illegal ARM registry entries fixed

Signed-off-by: Paul Beeler <[email protected]>

Change-Id: I52d7e95a8afb8b26f55fe0bc01853a15a95e90c2

libc: arch-arm: strlen: Illegal ARM registry entries fixed

Signed-off-by: Paul Beeler <[email protected]>

Change-Id: I52d7e95a8afb8b26f55fe0bc01853a15a95e90c2

libm: These optimizations are only for Krait

 * Issues on other chipsets. Resync with CAF and only use on specific
   chipsets (Krait, Sparrow).

Change-Id: I6a11f3f8e3250359259edf5f57e0d9e7068c5375

libm: These optimizations are only for Krait

 * Issues on other chipsets. Resync with CAF and only use on specific
   chipsets (Krait, Sparrow).

Change-Id: I6a11f3f8e3250359259edf5f57e0d9e7068c5375

libm: These optimizations are only for Krait

 * Issues on other chipsets. Resync with CAF and only use on specific
   chipsets (Krait, Sparrow).

Change-Id: I6a11f3f8e3250359259edf5f57e0d9e7068c5375

libm: These optimizations are only for Krait

 * Issues on other chipsets. Resync with CAF and only use on specific
   chipsets (Krait, Sparrow).

Change-Id: I6a11f3f8e3250359259edf5f57e0d9e7068c5375

libm: These optimizations are only for Krait

 * Issues on other chipsets. Resync with CAF and only use on specific
   chipsets (Krait, Sparrow).

Change-Id: I6a11f3f8e3250359259edf5f57e0d9e7068c5375

libm: sqrt and sqrtf via ARM vsqrt instruction.

Optimized sqrt and sqrtf for arm by using hardware
opcode for sqrt rather than generic slow portable
code.

Change-Id: I9888d58547bcfca7dfc1400d3e7e222599167249