build: update header path

[dkson95]

Fix fatal error: asm-arm/hwcap.h: No such file or directory

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Summarize changes in around 50 characters or less

More detailed explanatory text, if necessary. Wrap it to about 72
characters or so. In some contexts, the first line is treated as the
subject of the commit and the rest of the text as the body. The
blank line separating the summary from the body is critical;
various tools like `log`, `shortlog` and `rebase` can get confused 
if you run the two together.

Further paragraphs come after blank lines.

**Changes proposed in this PR:**
- Bullet points are okay, too
- Typically a hyphen or asterisk is used for the bullet, preceded
  by a single space, with blank lines in between, but conventions vary here.

Resolves: #123
See also: #456, #789

**Self evaluation:**
1. Build test: [ ]Passed [ ]Failed [*]Skipped
2. Run test: [ ]Passed [ ]Failed [*]Skipped

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[myungjoo]

If this is for Tizen 9.0, please add version-based #if (we often need backporting...)

[dkson95]

@dkson95 Is this change effective since Tizen 9.0? or all Tizen?

Okay, I've checked and this change is fine since Tizen 6.0.

If this is for Tizen 9.0, please add version-based #if (we often need backporting...)

Actually this is for Tizen next ver, but compatible with prev. So, version-based #if might not be required on this case ?

[myungjoo]

@dkson95 Is this change effective since Tizen 9.0? or all Tizen?

Okay, I've checked and this change is fine since Tizen 6.0.

If this is for Tizen 9.0, please add version-based #if (we often need backporting...)

Actually this is for Tizen next ver, but compatible with prev. So, version-based #if might not be required on this case ?

Then, it's ok to proceed. Thanks!