Fix MISRA rule 8.5 Part 1
Fix MISRA rule 8.5 Part 1

Rule 8.5: An external object or function shall be declared
          once in one and only one file.

Fixed for:
	make DEBUG=1 PLAT=fvp LOG_LEVEL=50 all

Change-Id: I2420c58134c280db90706cad2d5e7a190f9f9311
Signed-off-by: Roberto Vargas <d75e640c49defb97bd074f828210df57ed181e1f@arm.com>

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware