Adding code to run on Powersystem

[genisysram]

Hi
Here is my contribution to your code, its working good on powersystems.

Thanks for the code, its working good.

What do these changes do?

Added Architecture "ppc64le"

Are there changes in behavior for the user?

No

[codecov-io]

Codecov Report

Merging #243 into master will decrease coverage by 0.61%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #243      +/-   ##
==========================================
- Coverage   94.59%   93.98%   -0.62%     
==========================================
  Files          19       19              
  Lines         980      814     -166     
==========================================
- Hits          927      765     -162     
+ Misses         38       34       -4     
  Partials       15       15              

Impacted Files	Coverage Δ
rows_go18.go	88.88% <0.00%> (-3.97%)	⬇️
expectations.go	84.25% <0.00%> (-2.89%)	⬇️
expectations_before_go18.go	85.18% <0.00%> (-1.92%)	⬇️
sqlmock.go	92.39% <0.00%> (-0.92%)	⬇️
expectations_go18.go	94.87% <0.00%> (-0.59%)	⬇️
rows.go	88.73% <0.00%> (-0.40%)	⬇️
query.go	100.00% <0.00%> (ø)
column.go	100.00% <0.00%> (ø)
driver.go	100.00% <0.00%> (ø)
result.go	100.00% <0.00%> (ø)
... and 9 more

---

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[l3pp4rd]

Hi, this package is not using unsafe, just mimics the standard sql driver.
I do not see the point in testing different archs, which are supported by go.

[genisysram]

@ashhadsheikh
Hi please accept my PR

[gagantrivedi]

Hey @genisysram, as @l3pp4rd have already pointed out that this package is not using unsafe so there is no point in testing it on different architecture. Unless you have a different reason in mind we will probably have to close this PR.