Fix armel, mips64el, mipsel, and sh4 builds

• [mips*] Increase RELOCATION_TABLE_SIZE to 0x1d0000
• [sh4/sh7785lcr] Modularise drivers to shrink kernel image:
  • ata: Change ATA, SATA_SIL from built-in to modular
  • SCSI: Change SCSI, BLK_DEV_SD from built-in to modular
  • USB: Change USB, USB_EHCI_HCD, USB_R8A66597_HCD,_USB_STORAGE from built-in to modular
  • udeb: Add ata-modules, scsi-core-modules, usb-modules packages
• [armel/marvell]: Disable features to shrink kernel image:
  • security: Disable SECURITY_APPARMOR_EXPORT_BINARY
  • tcp: Disable MPTCP
  • tracing: Disable FUNCTION_TRACER