Shortly after Qualcommm launched its first system-on-chip targeted at servers, there was high excitement over reports that Google was going to endorse the architecture. But this week the search giant said it has built software which allows it to switch easily between Intel and other platforms – and singled out an IBM OpenPower design rather than one from Qualcomm or other ARM-based players. That is not to say that Google is not testing the Qualcomm offering. No company which buys as many processors as Google (or Facebook or Microsoft) can afford to limit its supplier choices and the cloud giants take an interest in almost any second source to Intel, even investing in their own inhouse design projects. But the…