arcmsr(4): Upgrade to Areca's Revision 1.40.00.00.

arcmsr(4): Upgrade to Areca's Revision 1.40.00.00.

This adds support for various adapters: ARC1203, ARC1216, ARC1226, and
ARC1884.

Detailed list of changes:

1. fix ADAPTER_TYPE_D scanning device timeout.
2. fix ADAPTER_TYPE_D getting configuration data.
3. eliminate ending white-space of code.
4. align some code for more readable.
5. modify code of ADAPTER_TYPE_B for support ARC-1203
6. add a new ADAPTER_TYPE_E for support ARC-1884
7. adapter ARC-1215, 1225, 1216, 1226 are belong to ADAPTER_TYPE_C
   also support in this driver.
8. redefine ADAPTER_TYPE_A,B,C,D value

Thanks to Areca for actively supporting DragonFly!!

Submitted-by: Ching Huang <ching2048@areca.com.tw>
Tested-by:    kerma (Michael)