Update compiler options order and spelling

1. Reorder compiler options to look nicier.
2. Change text in some occasions so text would fit in constrained space
3. Remove some of the doulbe whitespaces, add whitespaces where required, etc.

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Support EM Starter Kit firmware 1.1

EM Starter Kit since firmware 1.1 has different IO peripheral clocks. Hello
world example should be update otherwise it would print gibberish in UART
instead of text. This a non-backward compatible change: not with example will
not work with EM Starter kit 1.1.

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
9000723707: Make dependency on RxTx library optional

If RxTx library cannot be loaded for some reasons, then UI elements for serial
port will be disabled and ignored.

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Fix Invalidly set OpenOCD config path

When new configuration was just created path to OpenOCD was instead set to the
value of nSIM binary.

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>