PPC: [strong] Function arity check should be based on required parameters

PPC: [strong] Function arity check should be based on required parameters

Port 78f0452d310221ac74b6221140d376d8302c4579

Original commit message:
Also check whether the arguments count is smaller than the number of
required parameters which is the same as the SharedFunctionInfo length.

R=arv@chromium.org, dstence@us.ibm.com, michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/65141b68cae2c6dc290489016af4c9185bc2ca71
Cr-Commit-Position: refs/heads/master@{#28492}

[dstence, 2015-05-19 20:00:39]

lgtm

[MTBrandyberry, 2015-05-19 20:00:52]

The CQ bit was checked by mbrandy@us.ibm.com

[commit-bot: I haz the power, 2015-05-19 20:01:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1133093004/1

[arv (Not doing code reviews), 2015-05-19 20:22:25]

LGTM

[commit-bot: I haz the power, 2015-05-19 20:24:28]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-19 20:24:35]

Patchset 1 (id:??) landed as
https://crrev.com/65141b68cae2c6dc290489016af4c9185bc2ca71
Cr-Commit-Position: refs/heads/master@{#28492}