f2fs-tools: Rework build configuration
f2fs-tools: Rework build configuration

Change-Id: Idfd5f7957301adf215d1580ccf50cd7e150e0fb1

Infinitive-OS/external_f2fs-tools,Infinitive-OS/external_f2fs-tools,Infinitive-OS/platform_external_f2fs-tools,Infinitive-OS/platform_external_f2fs-tools