build issue with cy8cproto_062_4343w (ARMC5, Mbed OS 5.14)

[acabarbaye]

Description of defect

Following build error appears when compiling blinky example for the following target:

"./mbed-os/features/netsocket/emac-drivers/TARGET_Cypress/COMPONENT_WHD/interface/WhdAccessPoint.cpp", line 25: Error: #20: identifier "malloc" is undefined
"./mbed-os/features/netsocket/emac-drivers/TARGET_Cypress/COMPONENT_WHD/interface/WhdAccessPoint.cpp", line 63: Error: #20: identifier "free" is undefined
./mbed-os/features/netsocket/emac-drivers/TARGET_Cypress/COMPONENT_WHD/interface/WhdAccessPoint.cpp: 0 warnings, 2 errors

Target(s) affected by this defect ?

cy8cproto_062_4343w

Toolchain(s) (name and version) displaying this defect ?

Armc5

What version of Mbed-os are you using (tag or sha) ?

mbed-os-5.14.2

What version(s) of tools are you using. List all that apply (E.g. mbed-cli)

latest

How is this defect reproduced ?

mbed compile of mbed os blinky

[ciarmcom]

Internal Jira reference: https://jira.arm.com/browse/MBOTRIAGE-2445

[0xc0170]

@ARMmbed/team-cypress Please review

[MarceloSalazar]

Arm Compiler 5 is not supported
https://os.mbed.com/blog/entry/Removal-of-ARM-Compiler-5-and-uARM-toolc/